Patent
   D274439
Priority
Mar 24 1982
Filed
Mar 24 1982
Issued
Jun 26 1984
Expiry
Jun 26 1998
Assg.orig
Entity
unknown
14
3
n/a
The ornamental design for an electronic calculator, as shown and described.

FIG. 1 is a top plan view of the 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 elevational view being the same.

Sakata, Keiji, Yamagami, Masafumi

Patent Priority Assignee Title
D326471, Oct 24 1990 Datel Electrocraft Corporation Calculator
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D911433, Jan 09 2019 FOSHAN CITY NANHAI HUISEN PLEXIGLASS CRAFTS CO., LTD Calculator
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Patent Priority Assignee Title
3983380, Aug 11 1975 McDonnell Douglas Corporation Auxiliary memory unit for use with an electronic display calculator
215004,
D263966, Aug 03 1979 Sharp Corporation Electronic calculator with timepiece
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 17 1982SAKATA, KEIJISharp Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST 0039900771 pdf
Mar 17 1982YAMAGAMI, MASAFUMISharp Kabushiki KaishaASSIGNMENT OF ASSIGNORS INTEREST 0039900771 pdf
Mar 24 1982Sharp Corporation(assignment on the face of the patent)
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