Windshield wiper unit

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Description

FIG. 1 is a perspective view of a windshield wiper unit showing my new design;

FIG. 2 is a front end elevational view thereof;

FIG. 3 is a rear end elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is an opposite side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
2069699 February 1937 Dohler
2724139 November 1955 Oishei
4192038 March 11, 1980 Klein
4497083 February 5, 1985 Nielsen, Jr. et al.
4754517 July 5, 1988 Aldous
Patent History
Patent number: D331556
Type: Grant
Filed: Sep 23, 1991
Date of Patent: Dec 8, 1992
Inventor: Richard Ismert (Canoga Park, CA)
Primary Examiner: James M. Gandy
Attorney: Terry M. Gernstein
Application Number: 7/763,766
Classifications
Current U.S. Class: D12/155