Patents Represented by Attorney Edwin L. Spangler, Jr.
  • Patent number: 4946079
    Abstract: A pouring spout for attachment to liquid containers having superimposed passages therein, one for air to enter the container and the other for fluid to exit therefrom. a thumb-actuated ball valve seated in fluid-tight relation within a spherically-shaped pocket intermediate the ends of the spout becomes operative to either open or close both passages simultaneously upon rotation of the valve a quarter of a turn through the use of the thumb of the hand holding the container. The intake end of the spout is formed to provide it with a flared skirt cooperating with it to define a funnel effective to direct fluid into the latter when used separate from a container.
    Type: Grant
    Filed: July 21, 1988
    Date of Patent: August 7, 1990
    Inventor: John T. Campbell
  • Patent number: 4939458
    Abstract: The invention relates to a novel apparatus for detecting as well as quantifying superconductivity characterized by a rigid-stemmed pendulum used to support the superconductive sample for free-swinging movement about a low-friction fulcrum in a magnetic field effective to swing the pendulum to one side, connecting both a first mechanism to the pendulum operative to sense the movement of the pendulum and generate a signal proportional thereto along with a second mechanism effective to receive such a signal from the first mechanism and react thereto in a manner to null the movement of the pendulum along with the sample suspended therefrom, and, finally, connecting a signal processing mechanism into the system whereby the signal generated by the first mechanism is quantified as a measure of the superconductive properties of the sample.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: July 3, 1990
    Assignee: Colorado School of Mines
    Inventors: Baki Yarar, Herbert R. Bird
  • Patent number: 4914887
    Abstract: A subassembly for use with a wall panel to retain a backfilled enbankment or the like is disclosed which subassembly comprises a pair of pillar-like concrete anchor members having vertical keyslots formed therein which receive and lock onto the enlarged end portions of a wire mesh web defining the connection therebetween. The top strand of the web is recessed beneath the top surface of any e xposed anchor member by a distance selected to permit backfilling thereabove as is the top surface of any buried anchor member. In one embodiment of the invention, the web is generally U-shaped and is looped through the embankment to interconnect a pair of exposed anchor members at the surface thereof while in another an exposed and a buried anchor member are interconnected by a straight run of the web stretched therebetween.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: April 10, 1990
    Inventor: H. Joe Meheen
  • Patent number: 4888880
    Abstract: An electrician's tool is disclosed which comprises a combination template and spirit level. A pair of locating pins stored in the housing carrying at least one spirit level are removable and relocatable in a pair of pin-receiving openings which are spaced from one another and from a side edge of the template the distance required to mate with and be detachably received within the grounded prong-receiving openings of a conventional dual receptacle. When so positioned, a lip on the righthand edge of the template defines a stop-forming abutment for locating a second dual socket or a toggle switch in the precise ganged relation necessary to accept an appropriately apertured trimplate. A horizontally-disposed spirit level is used to align the receptacles to toggle switches or both vertically. A second vertically-disposed spirit level may be included for aligning horizontal installations.
    Type: Grant
    Filed: January 10, 1989
    Date of Patent: December 26, 1989
    Inventor: Michael A. Parker
  • Patent number: 4887833
    Abstract: The disclosure relates to a cross country ski binding having a triple-leaved hinge interconnecting a fixed toeplate and a heelplate detachably connected to the boot heel characterized in that as the boot is bent at the ball of the foot and lifted off the ski carrying with it the heelplate thereby lengthening the distance separating the latter from the toeplate, a yieldable spring-biased connection becomes operative to permit these elements to spread apart without materially retarding or otherwise interfering with the skier's freedom of lifting the boot and setting it back down again to initiate and complete the cross country glide while, at the same time, providing the lateral stability necessary for effectively edging the skis in the downhill mode. The invention also encompasses certain novel features present in a yieldable self-adjusting heel holdown subassembly.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: December 19, 1989
    Inventor: Mark R. Bailey
  • Patent number: 4879828
    Abstract: Our invention relates to an improved anti-curl feature for constant-force springs to be used in lifting a stack of shells by means of a follower in a multiple cartridge magazine for firearms thereby lessening the transverse curl in at least the uncoiled portion thereof that is responsible for causing its side margins to dig into the wall of the shell casing or bullet or both and cause jamming, such improvement comprising the localized weakening of spring along a longitudinally-extending line spaced between its side margins such that it lies flatter, preferably by providing same with a single column of longitudinally-spaced apertures or two or more such columns thereof in which adjacent pairs thereof are transversely misaligned. Our invention also encompasses the method of eliminating the aforementioned jamming problem by locally weakening the spring longitudinally such that at least its uncoiled portion lies flatter.
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: November 14, 1989
    Inventors: Dale E. Dieringer, Emil Vyprachticky
  • Patent number: 4874046
    Abstract: The invention relates to improvements in rotary groove-cutting tools of the type having a rotatable center shaft and two or more generally arcuate flyweight subassemblies mounted for rotational movement with the center shaft, each such subassembly when thus rotated being also mounted for pivotally-hinged door-like movement between a retracted inoperative position and an extended operative one in contact with the wall of the bore to be grooved about eccentrically-located axes paralleling the center shaft but displaced radially therefrom, such improvements relating to the design and placement of the abrasive-surfaced cutters carried by each of the flyweight subassemblies which especially adapts them for use in grooving concrete bores. More specifically, the invention encompasses such cutters which are circumferentially elongate to an angular extent in which they are adapted to bridge most voids in the bore wall without jamming.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: October 17, 1989
    Inventor: Marvin G. Hurd
  • Patent number: 4865109
    Abstract: A positive drive for window shades and the like is characterized, first of all, by an opposed pair of channel-shaped tracks confining the right and left side margins of the shade and each also housing one run of an endless chain reaved under a pulley at the bottom and over a sprocket at the top. The bottom of the shade carries a rigid hem bar having eyelets in its ends sized to pass the chain but not a pair of stops carried by the latter that engage the hem bar and unwind the shade off the roller it is wound upon at the top when an exposed run of one of the chains is pulled. Right and lefthand one-way clutches are interposed between the sprockets and roller operative when the shade is lowered to disengage and permit relative rotational movement between the shade drive mechanism and the roller until the stops engage the eyelets in the hem bar. These same clutches engage when the shade is raised to link the drive mechanism and shade roller together for conjoint rotation.
    Type: Grant
    Filed: November 30, 1987
    Date of Patent: September 12, 1989
    Inventor: Roger W. Sherman
  • Patent number: 4827480
    Abstract: This invention relates to an improved method for producing pulsed trains of light within a cavity which comprises repeatedly incrementally increasing the frequency of a constant wave of light circulating within the cavity and combining the frequency-shifted beams to produce at least one pulsed train output thereof. This can be done in either a passive or active cavity.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: May 2, 1989
    Assignee: Colorado School of Mines
    Inventor: Frank V. Kowalski
  • Patent number: 4821462
    Abstract: A hone for reconditioning dental instruments of the type having a handle terminating in a blade including a planar portion bordered by a sharp edge is disclosed that is characterized by a planar abrasive surface supported upon a base alongside of which a protractor-like element is mounted for rotation. The protractor-like element displays at least one straight line whose angular relation to the abrasive surface changes as the element rotates along with a plurality of other indicia by means of which the straight line can be set at a particular angle with respect to the abrasive surface that is the same angle that the handle of the instrument to be reconditioned must bear to the latter in order for the planar and sharp edges of its blade to be properly restored as they are moved to and fro across the abrasive surface.
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: April 18, 1989
    Inventor: Steven B. Moore
  • Patent number: 4819680
    Abstract: The invention relates to a spring-biased foot subassembly for use in the lower corners of a wall panel of a ground tent to yieldably resist the tension placed upon such panels when the diagonally-extending portions of the subframes supporting same in free-standing relation elongate as they move from an inwardly bowed partially folded relation out and over center where they assume a more or less straight line relation and on beyond into a fully-extended and outwardly-bowed position. The same elements that yieldably resist this tensioning of the wall panel also cooperate therewith to maintain the latter taut and under slight tension once the subframe has moved into its fully-extended and outwardly-bowed wall-supporting position.
    Type: Grant
    Filed: June 9, 1988
    Date of Patent: April 11, 1989
    Assignee: T. A. Pelsue Company
    Inventor: Allan E. Beavers
  • Patent number: 4817861
    Abstract: This invention relates to a stackable file storage carton characterized by an open-front box fitted with an integrally formed access opening cover hingedly attached to the bottom of the box along the front edge of the latter for movement from a closed position into an open one forming an extension of said box bottom. The access opening cover is comprised of a panel sized and shaped to cover the access opening. This panel is bordered along its free edges by upstanding fence-forming flanges cooperating therewith and with one another to define a tray which in open position is adapted to receive and support a file slid forwardly from within the box. The front flange is formed to provide a pocket extending lengthwise thereof which is open at both ends to receive and hold tabs depending from the front edges of the flanges bordering the sides of the cover panel.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: April 4, 1989
    Inventor: Gregory A. Henrikson
  • Patent number: 4813181
    Abstract: An improved double hung access opening cover is disclosed wherein a fixed frame borders the opening, a movable frame is hingedly attached to the fixed frame on one side of the opening and to the cover therefor on the other side, and wherein a crossframe element is hingedly attached to the cover on the same side of the opening where the movable frame is attached to the fixed frame about a hinge pin axis in common with the latter and to the fixed frame on the other side thereof where the movable frame is attached to the cover about a hinge axis in common therewith. These elements can, by way of example, be arranged and shaped to define a cabinet having independently accessible compartments positioned one behind the other or, in another form, a door which when opened from one side uncovers the doorway and from the other provides access to a closet.
    Type: Grant
    Filed: August 10, 1987
    Date of Patent: March 21, 1989
    Inventor: Mohammad T. Torabi
  • Patent number: PP6641
    Abstract: A carnation plant known by the cultivar name Quandary was developed through a breeding program and is particularly characterized as to uniqueness by its dwarf growth habit and the following combined characteristics: upon pinching a rooted cutting, forms 4 to 6 lateral stems 24 to 26 cm long, each developing a terminal flower and 4 to 6 secondary buds which open intermittently after the terminal flowers seneses; light pink and red variegated flowers 5.0 to 6.0 cm in diameter with a slight fragrance; can be grown under specified environmental conditions either as a single pinched plant per 10 cm pot or 3 pinched plants per 13 cm pot, which results in an ideal new flowering house plant.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: February 28, 1989
    Assignee: Colorado State University Research Foundation
    Inventor: Kenneth L. Goldsberry
  • Patent number: PP6642
    Abstract: A carnation plant known by the cultivar name Snowmass was developed through a breeding program and is particularly characterized as to uniqueness by its dwarf growth habit and the following combined characteristics: upon pinching a rooted cutting, forms 3 to 5 lateral stems 22 to 26 cm long, each developing a terminal flower and 4 to 6 lateral buds which open intermittently after the terminal flowers seneses; white flowers 4.5 to 5.5 cm in diameter, but without fragrance; can be grown under specified conditions either as a single pinched plant per 10 cm pot or 3 pinched plants per 13 cm pot, which results in an ideal new flowering house plant.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: February 28, 1989
    Assignee: Colorado State University Research Foundation
    Inventor: Kenneth L. Goldsberry
  • Patent number: PP6643
    Abstract: A carnation plant known by the cultivar name Shavano was developed through a breeding program and is particularly characterized as to uniqueness by its dwarf growth habit and the following combined characteristics: upon pinching a rooted cutting, forms 3 to 6 lateral stems 21 to 26 cm long, each developing a terminal flower and secondary buds which open intermittently after the terminal flowers seneses; dark pink flowers 4.5 to 6.0 cm in diameter with an intense clove fragrance; can be grown under specified environmental conditions either as a single pinched plant per 10 cm pot or 3 pinched plants per 13 cm pot, which results in an ideal new flowering house plant.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: February 28, 1989
    Assignee: Colorado State University Research Foundation
    Inventor: Kenneth L. Goldsberry
  • Patent number: PP6663
    Abstract: A carnation plant known by the cultivar name Sneffels was developed through a breeding program and is particularly characterized as to uniqueness by its dwarf growth habit and the following combined characteristics: upon pinching a rooted cutting, forms 3 to 4 lateral stems 21 to 27 cm long, each developing a terminal flower and 4 to 5 secondary buds which open intermittently as the terminal flowers seneses; lavender pink flowers 4.0 to 6.0 cm in diameter with a slight clove fragrance; can be grown under specified environmental conditions either as a single pinched plant per 10 cm pot or 3 pinched plants per 13 cm pot, which results in an ideal new flowering house plant.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: March 14, 1989
    Assignee: Colorado State University Research Foundation
    Inventor: Kenneth L. Goldsberry
  • Patent number: D300600
    Type: Grant
    Filed: April 28, 1986
    Date of Patent: April 11, 1989
    Inventor: Bradley S. High
  • Patent number: D302397
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: July 25, 1989
    Assignee: Dieterich Standard Corp.
    Inventors: David R. Mesnard, Horst W. Kalin
  • Patent number: D307471
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: April 24, 1990
    Inventor: Steven B. Moore