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Information
Patent Grant
D309626
References
Source
Patent Number
D309,626
Date Filed
Wednesday, December 30, 1987
36 years ago
Date Issued
Tuesday, July 31, 1990
34 years ago
Inventors
Hiroshi Sakaguchi
Keiichi Koyama
Original Assignees
Sharp Corporation
Examiners
Holtje; Nelson C.
Veynar; Caron D.
Agents
Flehr, Hohbach, Test, Albritton & Herbert
US Classifications
D18 - Printing and office machinery
Field of Search
US
D18 1
D18 2
D18 6
D18 7
D18 11
D18 12
340 365
340 700
364 706-710
Term of Grant
14Years
Information
Content
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Abstract
Description
Claims
The ornamental design for an electronic calculator, as shown and described.
Priority Claims (1)
Number
Date
Country
Kind
62-28347
Jul 1987
JPX
US Referenced Citations (4)
Number
Name
Date
Kind
D258894
Kitai
Apr 1981
D261005
Ichikawa et al.
Sep 1981
D269624
Sakata
Jul 1983
D273201
Sakata
Mar 1984
Non-Patent Literature Citations (1)
Entry
W. Bell Catalog; 1986; p. 287; #6-TI-110.