Patent
   D307292
Priority
Jun 22 1987
Filed
Dec 22 1987
Issued
Apr 17 1990
Expiry
Apr 17 2004
Assg.orig
Entity
unknown
1
5
n/a
The ornamental design for an electronic calculator, as shown and described.

FIG. 1 is a perspective view of the electronic calculator showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a left side elevational view thereof.

Sakaguchi, Hiroshi, Saimen, Tadahiko

Patent Priority Assignee Title
D652070, Jul 15 2010 Sharp Kabushiki Kaisha Electronic calculator
Patent Priority Assignee Title
D247391, Jan 14 1976 Sharp Kabushiki Kaisha Electronic calculating machine
D258891, Jul 25 1978 CHEMICAL BANK, AS COLLATERAL AGENT Electronic calculating machine
D259200, Jul 12 1978 Texas Instruments Incorporated Case for an electronic calculator
D269276, Dec 24 1980 Sharp Corporation Electronic calculator
D273201, Jul 03 1981 Sharp Corporation Electronic calculator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 22 1987Sharp Corporation(assignment on the face of the patent)
Feb 23 1988SAKAGUCHI, HIROSHISHARP KABUSHIKI KAISHA, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0048740692 pdf
Feb 23 1988SAIMEN, TADAHIKOSHARP KABUSHIKI KAISHA, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0048740692 pdf
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