Folding transparency viewer


FIG. 1 is a top and left front perspective view of a folding transparency viewer showing our new design in the folded position;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof, the right side being a mirror image thereto;

FIG. 6 is a top and left front perspective view thereof in the open position;

FIG. 7 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
2617218 November 1952 Antos
2983061 May 1961 Mairshofer
3076276 February 1963 Pitchford
3967401 July 6, 1976 Numbers
4173838 November 13, 1979 Antos
Foreign Patent Documents
1462921 March 1976 GBX
Patent History
Patent number: D268592
Type: Grant
Filed: Jan 26, 1981
Date of Patent: Apr 12, 1983
Assignee: View-Master International Group (Portland, OR)
Inventors: Paul D. Miller (New York, NY), Richard M. Joffe (North Bergen, NJ)
Primary Examiner: Nelson C. Holtje
Law Firm: Klarquist, Sparkman, Campbell, Leigh, Whinston & Dellett
Application Number: 6/228,639
Current U.S. Class: D16/18
International Classification: D1603;