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Information
Patent Grant
D280517
References
Source
Patent Number
D280,517
Date Filed
Monday, July 18, 1983
41 years ago
Date Issued
Tuesday, September 10, 1985
39 years ago
Inventors
Randall N. Bartlett
James D. Alsup Jr.
Original Assignees
Syntex (U.S.A.) Inc.
Examiners
Holtje; Nelson C.
Agents
Freyberg; Derek P.
Lowin; David A.
Dhuey; John A.
US Classifications
D16 - Photography and optical equipment
Field of Search
US
D16 11-17
D24 2
D24 4
D24 5
040 361-367
352 104
352 129
Term of Grant
14Years
Information
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Abstract
Description
Claims
The ornamental design for a transparency viewer, substantially as shown.
US Referenced Citations (8)
Number
Name
Date
Kind
D114789
Hopkins
May 1939
D151479
Way
Oct 1948
D193411
Farber
Aug 1962
D211833
Martinez
Jul 1968
D242915
Wang
Jan 1977
D254075
Bartholomew
Jan 1980
D257852
Schlagheck
Jan 1981
3527530
Hughes
Sep 1970