Retaining wall stone

Description

FIG. 1 is a perspective view of the retaining wall stone showing our new design thereof;

FIG. 2 is a top plan view;

FIG. 3 is a side elevation view;

FIG. 4 is a side elevation view opposite to FIG. 3;

FIG. 5 is an elevational view of the lefthand edge of the view of FIG. 2;

FIG. 6 is a bottom view of the stone seen in FIG. 2; and,

FIG. 7 is a cross-sectional view along the line 7--7 in FIG. 2.

Referenced Cited
U.S. Patent Documents
D295788 May 17, 1988 Forsberg
D295790 May 17, 1988 Forsberg
D296007 May 31, 1988 Forsberg
D296365 June 21, 1988 Forsberg
D297464 August 30, 1988 Forsberg
D297574 September 6, 1988 Forsberg
D297767 September 20, 1988 Forsberg
D298463 November 8, 1988 Forsberg
D299067 December 20, 1988 Forsberg
D300253 March 14, 1989 Forsberg
D300254 March 14, 1989 Forsberg
D301064 May 9, 1989 Forsberg
D305570 January 16, 1990 Sakata
D307792 May 8, 1990 Poulsen
D317048 May 21, 1991 Forsberg
D319885 September 10, 1991 Blomquist et al.
D321060 October 22, 1991 Blomquist et al.
3096621 July 1963 Danel
4227829 October 14, 1980 Landry, Jr.
4318642 March 9, 1982 Barnett
4320596 March 23, 1982 Wirtz
4521138 June 4, 1985 Steiner
4661012 April 28, 1987 McCloskey
4662794 May 5, 1987 Delmas et al.
4802320 February 7, 1989 Forsberg
4825619 May 2, 1989 Forsberg
4875803 October 24, 1989 Scales
4914876 April 10, 1990 Forsberg
4920712 May 1, 1990 Dean
4923339 May 8, 1990 Smith
4930283 June 5, 1990 Winkler
4964761 October 23, 1990 Rossi
4965979 October 30, 1990 Larrivee et al.
5010707 April 30, 1991 Nelson et al.
5020938 June 4, 1991 Scales
5044834 September 3, 1991 Janopaul, Jr.
5072566 December 17, 1991 Zeidman
Other references
  • Construction Digest of Aug. 21, 1989 (pp. 28 & 29). Engineering News-Record of May 17, 1990 (p. 17). Midwest Contractor of Jun. 11, 1990 (pp. 24 & 26). Article from Popular Science of Jun. 1990 entitled Home Newsfront by Gilmore et al.
Patent History
Patent number: D351031
Type: Grant
Filed: Oct 28, 1992
Date of Patent: Sep 27, 1994
Assignee: Infinity Stone, Inc. (St. Louis, MO)
Inventors: John L. Crawford (St. Louis, MO), John M. Sowder (St. Louis, MO), Winnie M. G. Crawford (St. Louis, MO)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris Clark
Law Firm: Polster, Lieder, Woodruff & Lucchesi
Application Number: 0/902
Classifications
Current U.S. Class: Cicular Or Oval (D25/117)