3-D glasses

- Imax Systems Corporation
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Description

FIG. 1 is a top, front and right side perspective view of 3-D glasses showing my new design;

FIG. 2 is a bottom, rear and left side perspective view thereof;

FIG. 3 is a top, front and right side perspective view of a modified embodiment of the design shown FIGS. 1 and 2; and

FIG. 4 is a bottom, rear and left side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D302711 August 8, 1989 Burlison
2846684 August 1958 Hill
4247177 January 27, 1981 Marks et al.
4405212 September 20, 1983 Cooper
4616367 October 14, 1986 Jean, Jr. et al.
4885808 December 12, 1989 Carpenter
4901374 February 20, 1990 Van Der Woude
Patent History
Patent number: D322797
Type: Grant
Filed: Jun 22, 1989
Date of Patent: Dec 31, 1991
Assignee: Imax Systems Corporation (Toronto)
Inventors: Jan W. Kuypers (Toronto), Karim Rashid (Toronto), Ian F. Norton (Toronto)
Primary Examiner: Benard Ansher
Assistant Examiner: R. Barkai
Law Firm: Rogers, Bereskin & Parr
Application Number: 7/370,514
Classifications
Current U.S. Class: D16/107