Patent
   D275770
Priority
Sep 18 1981
Filed
Mar 15 1982
Issued
Oct 02 1984
Expiry
Oct 02 1998
Assg.orig
Entity
unknown
9
4
n/a
The ornamental design for an electronic calculator, as shown and described.

FIG. 1 is a top plan view of an electronic calculator showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a right side elevational view thereof, the left side view being the same.

Yamada, Kazuo

Patent Priority Assignee Title
D303679, May 12 1986 SHARP KABUSHIKI KAISHA, A CORP OF JAPAN Electronic calculator
D309747, Nov 05 1986 SHARP KABUSHIKI KAISHA, OSAKA, JAPAN A CORP OF JAPAN Electronic calculator with solar cell
D483797, Sep 12 2002 Calculated Industries Inc. Electronic device
D652070, Jul 15 2010 Sharp Kabushiki Kaisha Electronic calculator
D892208, Jul 13 2018 Casio Keisanki Kabushiki Kaisha Electronic calculator
D902298, Jul 13 2018 Casio Keisanki Kabushiki Kaisha Electronic calculator
D902299, Jul 13 2018 Casio Keisanki Kabushiki Kaisha Electronic calculator
D902300, Jul 13 2018 Casio Keisanki Kabushiki Kaisha Electronic calculator
D902301, Jul 13 2018 Casio Keisanki Kabushiki Kaisha Electronic calculator
Patent Priority Assignee Title
3978328, Apr 07 1975 National Semiconductor Corporation Pocket calculator
4190748, Jan 31 1977 Rogers Corporation Keyboard switch assembly
D262140, Apr 12 1979 Sharp Corporation Electronic calculating machine
D269355, Mar 06 1981 Sharp Corporation Electronic calculator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 08 1982YAMADA, KAZUOSHARP KABUSHIKI KAISHA, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0040880839 pdf
Mar 15 1982Sharp Corporation(assignment on the face of the patent)
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