Mechanical picture frame

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Description

FIG. 1 is a perspective view of a mechanical picture frame in accordance with the present invention;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a top/bottom view thereof; and,

FIG. 4 is a left/right side view thereof.

Claims

The ornamental design for a mechanical picture frame, as shown.

Referenced Cited
U.S. Patent Documents
D220341 March 1971 Cash
D362122 September 12, 1995 Kong
D370353 June 4, 1996 Valls et al.
D403166 December 29, 1998 Parker
D500089 December 21, 2004 Gillard
D552360 October 9, 2007 Mischel, Jr.
D599120 September 1, 2009 Mischel, Jr.
Patent History
Patent number: D633308
Type: Grant
Filed: Apr 23, 2010
Date of Patent: Mar 1, 2011
Inventor: William Joseph Burwell (La Jolla, CA)
Primary Examiner: Philip S Hyder
Assistant Examiner: Sydney R Buffalow
Attorney: Nydegger & Associates
Application Number: 29/360,357
Classifications
Current U.S. Class: D6/300