Audio-visual projector

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Description

FIG. 1 is a front and side perspective view of an audio-visual projector showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left-side elevational view thereof;

FIG. 4 is a right-side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top elevational view thereof; and

FIG. 7 is a bottom elevational view thereof.

Referenced Cited
U.S. Patent Documents
D209636 December 1967 Busch
D224447 July 1972 Catalano et al.
D227599 July 1973 Wisgin
3981573 September 21, 1976 Schwartz
4012133 March 15, 1977 Burton
Patent History
Patent number: D252631
Type: Grant
Filed: Mar 7, 1977
Date of Patent: Aug 14, 1979
Inventor: Rolf Dieckhoff (Waiblingen)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Catherine Kemper
Attorney: Allison C. Collard
Application Number: 5/775,012
Classifications
Current U.S. Class: D16/14
International Classification: D1602;