Paving stone

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Description

FIG. 1 is a top view of the paving stone; the bottom view being a mirror image of the top view;

FIG. 2 is a bottom view of the paving stone;

FIG. 3 is a top side view of the paving stone;

FIG. 4 is a left side view of the paving stone; and the right side view is a mirror image of the left side view and,

FIG. 5 is a perspective view of the paving stone.

Referenced Cited
U.S. Patent Documents
D234791 April 1975 McAllister et al.
D330325 October 20, 1992 Kocon
1306246 June 1919 Bried
3390502 July 1968 Carroll
4337755 July 6, 1982 Pitha
4474504 October 2, 1984 Whitman et al.
5466089 November 14, 1995 Jurik
Other references
  • "Grid Paver" Krehling Industries, Inc, Sweet's General Building and Renovation 1993 Catalog File.
Patent History
Patent number: D421806
Type: Grant
Filed: Nov 5, 1998
Date of Patent: Mar 21, 2000
Inventors: Torsten Graf (Bad Durkheim), Andrea Graf (Bad Durkheim), Gunter Biermann (Grunstadt)
Primary Examiner: Stella Reid
Assistant Examiner: Robert A. Delehanty
Law Firm: Andrus, Sceales, Starke & Sawall
Application Number: 0/96,123
Classifications
Current U.S. Class: Construction Block Or Brick Type (17) (D25/113)
International Classification: 2501;