Door viewer

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Description

FIG. 1 is a perspective view of a door viewer showing my new design;

FIG 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof; and

FIG. 4 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
3438540 April 1969 Le Roy
3973835 August 10, 1976 Miyakawa et al.
4050792 September 27, 1977 Svensson
4172636 October 30, 1979 Yanagimachi
4269474 May 26, 1981 Kamimura
4726670 February 23, 1988 Sherrard et al.
4730911 March 15, 1988 Wood et al.
Patent History
Patent number: D310840
Type: Grant
Filed: Sep 2, 1988
Date of Patent: Sep 25, 1990
Inventor: Donald E. Degnan (New York, NY)
Primary Examiner: A. Hugo Word
Assistant Examiner: Doris V. Coles
Attorney: Jonathan Schafrann
Application Number: 7/240,048