Retaining wall block

- Handy-Stone Corporation

Latest Handy-Stone Corporation Patents:

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view as seen from the top, front and one side of a retaining wall block showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view, as seen from the right side of FIG. 3 thereof;

FIG. 5 is a side elevational view as seen from the side opposite that shown in FIG. 4 thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
RE34314 July 20, 1993 Forsberg
D295788 May 17, 1988 Forsberg
D305572 January 16, 1990 Sakata
D319885 September 10, 1991 Blomquist et al.
D321060 October 22, 1991 Blomquist et al.
D341215 November 9, 1993 Blomquist et al.
D346667 May 3, 1994 Blomquist et al.
D350402 September 6, 1994 Pribyl et al.
D352789 November 22, 1994 Adam
D363787 October 31, 1995 Powell
1419805 June 1922 Bigler
1795451 March 1931 Sharpe
2313363 March 1943 Schmitt
4229123 October 21, 1980 Heinzmann
4335549 June 22, 1982 Dean, Jr.
4802320 February 7, 1989 Forsberg
5017049 May 21, 1991 Sievert
5031376 July 16, 1991 Bender et al.
5062610 November 5, 1991 Woolford et al.
5294216 March 15, 1994 Sievert
5353569 October 11, 1994 Rodrique
Foreign Patent Documents
1034228 November 1953 FRX
Other references
  • MINITALUS.sup.MC UNIVERSEL.sup.MC , Permacon, Apr. 1993. EZ Wall Systems, "Unique NEW retaining Wall Product", Rockwood Retaining Wall Systems, Inc., (date unknown). AZTECH Wall System, "Tradition and Technology", Block Systems, Incorporated, 1989. Precast Concrete Retaining Walls, RISI Stone Lte., 1988. Windsor Stone.RTM., Block Systems, Inc. 1991. Tech Spec.RTM., Diamond Wall System, Anchor Block/Oscar Roberts, Sep. 1988. GARDEN WALL.TM., KeyStone.TM. Retaining Wall Systems, 1991. Anchor Edger.TM., You Can't Beat The anchor Do-It-Yourself System, 1993. Anchor Windsor Stone.RTM., You Can't Beat The anchor Do-It-Yourself System, 1992. Decor Innovative Concrete Systems, Sound Barrier Walls, 1989. Declaration of Todd P. Strand regarding Handy-Stone.RTM. II Brochure including copy of Handy-Stone .RTM. Brochure.
Patent History
Patent number: D391376
Type: Grant
Filed: Apr 12, 1995
Date of Patent: Feb 24, 1998
Assignee: Handy-Stone Corporation (Oakdale, MN)
Inventors: Todd P. Strand (Marine on St. Croix, MN), Peter J. Blomquist (Lake Elmo, MN)
Primary Examiner: Raphael Barkai
Law Firm: Kinney & Lange, P.A.
Application Number: 0/37,423
Classifications
Current U.S. Class: Construction Block Or Brick Type (17) (D25/113)
International Classification: 2501;