Building block
Description
FIG. 1 is an isometric view of a building block according to the invention;
FIG. 2 is a side elevation of a building block according to the invention;
FIG. 3 is a top plan view of a building block according to the invention; and
FIG. 4 is an end elevation of a building block according to the invention.
Referenced Cited
U.S. Patent Documents
Other references
D159255 | July 1950 | Decker, Sr. et al. |
D164625 | September 1951 | Clukie |
- Concrete Masonry Pictorial, vol. 34, No. 1, c. 1978, p. 6, blocks at lower right.
Patent History
Patent number: D275995
Type: Grant
Filed: Sep 29, 1982
Date of Patent: Oct 16, 1984
Inventors: John N. Rassias (Boca Raton, FL), Cecily M. Clark (New York, NY)
Primary Examiner: A. Hugo Word
Law Firm: Buell, Blenko, Ziesenheim & Beck
Application Number: 6/428,065
Type: Grant
Filed: Sep 29, 1982
Date of Patent: Oct 16, 1984
Inventors: John N. Rassias (Boca Raton, FL), Cecily M. Clark (New York, NY)
Primary Examiner: A. Hugo Word
Law Firm: Buell, Blenko, Ziesenheim & Beck
Application Number: 6/428,065
Classifications
Current U.S. Class:
D25/89;
D25/91