Corner lock for frames

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Description

FIG. 1 is a perspective view of a corner lock for frames showing my new design; and

FIG. 2 is a perspective view of the opposite side thereof.

Referenced Cited
U.S. Patent Documents
D137591 April 1944 Dieter
D259083 May 5, 1981 Riegsecker
1793696 February 1931 Ipsen
4012858 March 22, 1977 McGregor
Patent History
Patent number: D267764
Type: Grant
Filed: Dec 10, 1980
Date of Patent: Feb 1, 1983
Assignee: A-Teknik Alf Sundberg Aktiebolag (Sollentuna)
Inventor: Alf H. Sundberg (Sollentuna)
Primary Examiner: Charles A. Rademaker
Law Firm: Young & Thompson
Application Number: 6/216,509
Classifications
Current U.S. Class: D/6246
International Classification: D0607;