Toy building block

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Description

FIG. 1 is perspective view of a toy building block showing my new design;

FIG. 2 is a front elevational view thereof the side opposite being substantially identical;

FIG. 3 is a top plan view thereof the bottom plan view being substantially identical; and,

FIG. 4 is an end elevational view thereof, the end opposite being substantially identical.

Referenced Cited
U.S. Patent Documents
D241310 September 1976 Bolt
1809508 June 1931 Colby
2996832 August 1961 Rubin
3089269 May 1963 McKiernan
Patent History
Patent number: D256817
Type: Grant
Filed: Apr 5, 1978
Date of Patent: Sep 9, 1980
Inventor: Leonard Allard (Aylmer, Quebec)
Primary Examiner: Charles A. Rademaker
Attorney: Lawrence I. Field
Application Number: 5/893,739
Classifications
Current U.S. Class: D21/108
International Classification: D2101;