Foldable stereoscopic viewer

Description

FIG. 1 is a frontal perspective view of a foldable stereoscopic viewer showing my new design;

FIG. 2 is a rear perspective view of the viewer shown in FIG. 1;

FIG. 3 is a front elevational view of the viewer shown in FIG. 1;

FIG. 4 is a rear elevational view of the viewer shown in FIG. 1;

FIG. 5 is a top plan view of the viewer shown in FIG. 1;

FIG. 6 is a bottom plan view of the viewer shown in FIG. 1;

FIG. 7 is a reduced side elevational view of the viewer shown in FIG. 1, the opposite side being a mirror image thereof; and,

FIG. 8 is a top plan view of the foldable blank of the viewer shown in FIG. 1.

Referenced Cited
U.S. Patent Documents
D171480 February 1954 Beck
D290016 May 26, 1987 Vitrac
2789460 April 1957 Kaufman
3438698 April 1969 Triggs
5218470 June 8, 1993 Mizukawa et al.
Foreign Patent Documents
WO94/04956 March 1994 WOX
Patent History
Patent number: D391282
Type: Grant
Filed: Apr 22, 1996
Date of Patent: Feb 24, 1998
Inventor: Pieter Joannes Hendricus Evers (NL-1072 RD Amsterdam)
Primary Examiner: Philip S. Hyder
Assistant Examiner: Adir Aronovich
Law Firm: Banner & Witcoff, Ltd.
Application Number: 0/53,411
Classifications
Current U.S. Class: Stereoscopic (D16/222); Collapsible (359/474)
International Classification: 1602;