Folding rear projection slide viewer

- OSRAM GmbH
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front-right side perspective view of a folding rear projection slide viewer showing my new design;

FIG. 2 is a front-left side perspective view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front-left side perspective view of the slide viewer, with the screen elevated and its bellows unfolded;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a rear elevational view thereof;

FIG. 10 is a bottom plan view thereof; and

FIG. 11 is a right side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D173647 December 1954 Elle et al.
D213851 April 1969 Karow et al.
D217103 April 1970 Field et al.
D219176 November 1970 Single
D264091 April 27, 1982 Link et al.
D267251 December 14, 1982 Link et al.
D267328 December 21, 1982 Runyan
3804504 April 1974 Scott
Patent History
Patent number: D289660
Type: Grant
Filed: Sep 28, 1984
Date of Patent: May 5, 1987
Assignee: OSRAM GmbH (Munich)
Inventor: Udo M. Geissler (Munich)
Primary Examiner: Louis S. Zarfas
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 6/656,097
Classifications
Current U.S. Class: D16/14