Patents Assigned to Liberty Carton Co.
  • Patent number: 6209781
    Abstract: A disposable container includes support structure that is shiftable between a disposable disposition and an erect disposition, the support structure defining an interior container space when in the erect disposition. The erect support structure has a bottom side section and a generally opposed and spaced apart top side section. A first end section extends between the bottom side section and the top side section and has an aperture defined therein, the aperture being disposed proximate the bottom side section. A second end section is spaced apart from the first end section and extends between the bottom side section and the top side section. In a further embodiment, a disposable container includes support structure that is shiftable between a disposable disposition and an erect disposition, the support structure defining an interior container space when in the erect disposition.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: April 3, 2001
    Assignee: Liberty Carton Co.
    Inventors: Carol A. Sylvester, Ted G. Young, Michael Fiterman
  • Patent number: 4446660
    Abstract: Containers are designed for utilization of the otherwise wasted space provided between structural members of buildings such as joists and studs. Flaps may be folded into or out of position to vary the width of the container depending on the exact distance between structural members. A drawer-like container may be used between joists and a cabinet with door may be mounted between studs.
    Type: Grant
    Filed: January 29, 1981
    Date of Patent: May 8, 1984
    Assignee: Liberty Carton Co.
    Inventors: LeRoy Miller, Stanley R. Thorud, Eric M. Rivkin
  • Patent number: 4436354
    Abstract: A flat file having a number of drawers is formed of a shell having a number of shelves therein for locating the various drawers of the flat file. The shelves are located by means of shelf support members formed of corrugated board having portions which are slotted and folded into place so as to locate the shelves.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: March 13, 1984
    Assignee: Liberty Carton Co.
    Inventor: Stanley R. Thorud
  • Patent number: 4434899
    Abstract: A tote carrier for printed circuit boards is formed of wire members with each side being formed of a plurality of parallel wire members. The two ends have slidably mounted thereon at least two card holding members which are parallel to each other, which members have slots therein for holding the boards in position. The tote is stackable in two directions for either storage or assembly.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: March 6, 1984
    Assignee: Liberty Carton Co.
    Inventor: Eric M. Rivkin
  • Patent number: 4435028
    Abstract: A shipping container for relay racks has a platform base with pallet skids beneath. Two end panels are hingedly attached to opposite ends of the platform and extend upwardly. The end panels are attached to the ends of the relay rack by means of toggle bolts. The hinged construction allows the device to be easily folded for return shipping and also provides substantial protection against forklift puncture.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: March 6, 1984
    Assignee: Liberty Carton Co.
    Inventor: Eric M. Rivkin
  • Patent number: 4185565
    Abstract: A pallet is formed by folding and gluing two pieces of corrugated board. A first or base piece is formed of three parallel spaced channel sections connected by platform reinforcing portions. A second or platform piece is formed mainly of a platform resting upon the platform reinforcing portions of the first piece and has flaps depending perpendicularly downwardly into each end of each of the channel sections. Tabs hinge outwardly from the flaps and are secured to the sides of each of the channel members by gluing.
    Type: Grant
    Filed: September 14, 1978
    Date of Patent: January 29, 1980
    Assignee: Liberty Carton Co.
    Inventor: John A. Nymoen
  • Patent number: 4046312
    Abstract: A tote box having a rigid reinforcing rim extending around its top periphery is provided with a removable lid which is secured in place by a rigid locking tongue biased into locking engagement with an exposed locking segment of the reinforcing rim. The lid is also preferably strengthened by a rigid rim to which the locking tongue is affixed. Downwardly depending side panels on the lid are folded to define pockets within which the lid rim is contained, and corner retention bar members on the lid rim are engaged under exposed corner segments of the box reinforcing rim to cooperate with the locking tongue in holding the lid securely locked in place.
    Type: Grant
    Filed: February 25, 1976
    Date of Patent: September 6, 1977
    Assignee: Liberty Carton Co.
    Inventor: Bradford J. Krizan
  • Patent number: 4027818
    Abstract: A container of generally rectangular shape is formed with a self-locking bottom wall from a single blank of cut and scored fiberboard material. A pair of bottom panels fold inwardly and upwardly from the bottom edges of one pair of side walls to form the bottom of the container; and a pair of reinforcing panels simultaneously fold inwardly to upright, strengthening positions against the inside faces of the other pair of side walls. The interconnected bottom and reinforcing panels are locked in place by hold down flaps folded downwardly from the reinforced side walls over the reinforcing panels.
    Type: Grant
    Filed: December 18, 1975
    Date of Patent: June 7, 1977
    Assignee: Liberty Carton Co.
    Inventor: Mark Steven Stoll
  • Patent number: 3982690
    Abstract: A portable, open top, mail collecting container constructed and shaped from lightweight material for removable insertion inside of a mail collection box through the box access door. The upper edges of the container incline downwardly from the rear end wall towards the front end wall to facilitate insertion in and removal through the restricted access opening in the side of a mailbox. A moisture impervious bottom wall on the container is provided with liquid drainage apertures and is supported on vertically extending projections to permit any liquid which might fall into the container to drain through the bottom and to protect mail collected in the container from exposure to moisture when the container is rested on the ground in the course of handling.
    Type: Grant
    Filed: September 27, 1974
    Date of Patent: September 28, 1976
    Assignee: Liberty Carton Co.
    Inventors: Bradford J. Krizan, James L. Pfaffendorf