Patent
   D275768
Priority
Sep 18 1981
Filed
Mar 15 1982
Issued
Oct 02 1984
Expiry
Oct 02 1998
Assg.orig
Entity
unknown
4
2
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.

Sawada, Masaji

Patent Priority Assignee Title
D286056, Jul 02 1984 Canon Kabushiki Kaisha Desk-top electronic calculator
D308391, Jul 28 1986 SHARP KABUSHIKI KAISHA, OSAKA, JAPAN A CORP OF JAPAN Electronic calculator
D652070, Jul 15 2010 Sharp Kabushiki Kaisha Electronic calculator
D856411, Sep 21 2017 Casio Keisanki Kabushiki Kaisha Electronic calculator with printer
Patent Priority Assignee Title
D255245, Jul 08 1977 Canon Kabushiki Kaisha Desk top electronic calculator
D266853, Jan 28 1980 Canon Kabushiki Kaisha Desk-top electronic calculator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 08 1982SAWADA, MASAJISHARP KABUSHIKI KAISHA, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0040370614 pdf
Mar 15 1982Sharp Corporation(assignment on the face of the patent)
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