Transparency viewer

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of a film transparency viewer showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right end elevational view thereof;

FIG. 4 is a left end elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D85177 September 1931 Halloran
2227898 January 1941 Grant
2908094 October 1959 Mast
3376782 April 1968 Whitley et al.
Patent History
Patent number: D242915
Type: Grant
Filed: Jul 17, 1975
Date of Patent: Jan 4, 1977
Inventor: Robert O. Wang (Milwaukee, WI)
Primary Examiner: Joel Stearman
Assistant Examiner: C. A. Rademaker
Attorney: James E. Nilles
Application Number: 5/596,626
Classifications
Current U.S. Class: D16/14
International Classification: D1602;