Concrete block

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Description

FIG. 1 is a perspective view from two sides and above of a concrete block showing my new design; and

FIG. 2 is a perspective view thereof from the other two sides and below.

Referenced Cited
U.S. Patent Documents
D57111 February 1921 Bruce
Foreign Patent Documents
815691 October 1951 DEX
Other references
  • Rampf Formen Brochure, p. 13, Concrete Block, No. 3, bottom left side of page.
Patent History
Patent number: D298464
Type: Grant
Filed: Jul 8, 1985
Date of Patent: Nov 8, 1988
Assignee: Standard Industries Ltd. (Toronto)
Inventor: Kevin P. Roote (Scarborough)
Primary Examiner: James M. Gandy
Law Firm: Ridout & Maybee
Application Number: 6/753,024
Classifications
Current U.S. Class: Cicular Or Oval (D25/117)