Liquid crystal sunglasses

- Seiko Epson Corporation
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Description

FIG. 1 is a perspective view of liquid crystal sunglasses showing our new design;

FIG. 2 is a left side elevational view thereof, the side opposite being substantially a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D279904 July 30, 1985 Pulie
D282372 January 28, 1986 Blaimschein
D294953 March 29, 1988 Vitaloni
D311012 October 2, 1990 Grange
4317240 March 2, 1982 Angerman et al.
Patent History
Patent number: D321701
Type: Grant
Filed: Nov 20, 1989
Date of Patent: Nov 19, 1991
Assignee: Seiko Epson Corporation (Tokyo)
Inventors: Yasuhiro Nomura (Nagano), Koichi Takahashi (Nagano)
Primary Examiner: Bernard Ansher
Assistant Examiner: R. Barkai
Law Firm: Blum Kaplan
Application Number: 7/438,366
Classifications
Current U.S. Class: D16/102