Paving stone
Description
FIG. 1 is a side view of a concrete paving stone according to our design;
FIG. 2 is a front view of the stone of FIG. 1;
FIG. 3 is a top plan view of the stone of FIG. 1; and
FIG. 4 is a front perspective view of the stone of FIG. 1.
Referenced Cited
U.S. Patent Documents
68971 | September 1867 | Fancher |
867388 | October 1907 | Lerch |
1113784 | October 1914 | Higman |
3837756 | September 1974 | Schwarz |
4105353 | August 8, 1978 | Bork et al. |
Patent History
Patent number: D252589
Type: Grant
Filed: Jul 14, 1977
Date of Patent: Aug 7, 1979
Inventors: Keith Muller (Toronto, Ontario), Michael Stewart (Toronto, Ontario), Stanley Kochen (Toronto, Ontario)
Primary Examiner: A. Hugo Word
Attorney: David M. Rogers
Application Number: 5/815,747
Type: Grant
Filed: Jul 14, 1977
Date of Patent: Aug 7, 1979
Inventors: Keith Muller (Toronto, Ontario), Michael Stewart (Toronto, Ontario), Stanley Kochen (Toronto, Ontario)
Primary Examiner: A. Hugo Word
Attorney: David M. Rogers
Application Number: 5/815,747
Classifications
Current U.S. Class:
D25/80;
D25/74;
D25/79;
D25/86
International Classification: D2501;
International Classification: D2501;