Transparency viewer
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
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;
International Classification: D1602;