Patent
   D306311
Priority
Nov 20 1986
Filed
Feb 06 1987
Issued
Feb 27 1990
Expiry
Feb 27 2004
Assg.orig
Entity
unknown
2
3
n/a
The ornamental design for an electronic calculator, as shown and described.

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

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof.

Sugi, Tetsuo, Kojima, Kazuyoshi

Patent Priority Assignee Title
D318287, Apr 14 1989 Sekisui Kagaku Kogyo K.K. Portable electronic calculator
D332961, Dec 11 1989 Pollyflame International B.V. Calculator
Patent Priority Assignee Title
D245108, Nov 10 1975 Sinclair Radionics Limited Calculator
D269356, Mar 20 1981 Canon Kabushiki Kaisha Desk top electronic calculator
D285933, Jun 01 1984 Canon Kabushiki Kaisha Desk-top electronic calculator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 29 1987SUGI, TETSUOMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD , NO 1006, OAZA-KADOMA, KADOMA-SHI, OSAKA, JAPANASSIGNMENT OF ASSIGNORS INTEREST 0051900239 pdf
Jan 29 1987KOJIMA, KAZUYOSHIMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD , NO 1006, OAZA-KADOMA, KADOMA-SHI, OSAKA, JAPANASSIGNMENT OF ASSIGNORS INTEREST 0051900239 pdf
Feb 06 1987Matsushita Electric Industrial Co., Ltd.(assignment on the face of the patent)
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