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
Foreign Patent Documents
321410 June 1957 CHX
473075 October 1937 GBX
Other references
  • Vision 70, Brochure, .COPYRGT.1970, p. 10.
Patent History
Patent number: D276078
Type: Grant
Filed: Sep 29, 1982
Date of Patent: Oct 23, 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: 6/428,446
Classifications
Current U.S. Class: D25/91