Interlocking wall unit

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Description

The sole FIGURE is a front perspective view of an interlocking wall unit showing my new design.

The bottom and rear surfaces, insofar as shown, are essentially flat or planar throughout for mating with similar mating surfaces.

Referenced Cited
U.S. Patent Documents
D237170 October 1975 Wallace
704606 July 1902 Whittlesey
749796 January 1904 Kidder
2014778 July 1935 Pedersen
2884780 May 1959 Ramirez
Patent History
Patent number: D249163
Type: Grant
Filed: Jun 28, 1976
Date of Patent: Aug 29, 1978
Inventor: Milton A. Wallace (Miami, FL)
Primary Examiner: Wallace R. Burke
Assistant Examiner: B. J. Bullock
Attorney: Sherman Levy
Application Number: 5/700,718
Classifications
Current U.S. Class: D25/80; D25/92
International Classification: D2501;