Camera diaphragm unit

Description

FIG. 1 is a top, front perspective view of a camera diaphragm unit showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D106062 September 1937 Riddell
D119256 March 1940 Darling
1503800 August 1924 Ott
1547658 July 1925 Kunze
3232200 February 1966 Baab et al.
Foreign Patent Documents
1121459 January 1962 DEX
Patent History
Patent number: D315743
Type: Grant
Filed: Apr 19, 1988
Date of Patent: Mar 26, 1991
Inventor: Michael T. Martin (Fountain Valley, CA)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Law Firm: Knobbe, Martens, Olson & Bear
Application Number: 7/183,176
Classifications
Current U.S. Class: Element (D16/219)