Patent
   D269356
Priority
Mar 20 1981
Filed
Sep 15 1981
Issued
Jun 14 1983
Expiry
Jun 14 1997
Assg.orig
Entity
unknown
12
5
n/a
The ornamental design for a desk top electronic calculator, as shown and described.

FIG. 1 is a front elevational view of a desk top electronic calculator showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view as seen from the left of FIG. 1;

FIG. 6 is a side elevational view as seen from the right of FIG. 1.

Yoshioka, Eiichi, Suwa, Kaname, Ishiwatari, Masumi

Patent Priority Assignee Title
D280217, Oct 08 1982 Nitsubishi Denki Kabushiki Kaisha Talking mathematics trainer
D287024, Dec 15 1983 Sharp Corporation Electronic calculator
D289418, Nov 26 1984 Canon Kabushiki Kaisha Desk-top electronic calculator
D306311, Nov 20 1986 Matsushita Electric Industrial Co., Ltd. Electronic calculator
D307890, Dec 21 1988 UNITRON TECHNOLOGIES, INC Hand held data entry terminal
D308692, May 11 1987 Sharp Corporation Electronic calculator
D308693, Nov 04 1986 Sharp Kabushiki Kaisha Electronic calculator with solar cell
D309153, Apr 08 1987 Sharp Corporation Electronic calculator
D309625, Apr 27 1987 Sharp Corporation Electronic calculator
D310095, May 19 1987 Aurora Impex Corporation Electronic calculator
D322812, Nov 13 1989 Alec S., Harwin; Taylor M., Harwin Mathematical educational device
D582906, Dec 05 2006 Sony Ericsson Mobile Communications AB Keypad
Patent Priority Assignee Title
4209735, Sep 29 1976 Sharp Kabushiki Kaisha Solar battery powered electronic calculator
230404,
D251271, Mar 07 1977 Sharp Corporation Electronic calculating machine
D256696, May 09 1978 Sharp Kabushiki Kaisha Electronic calculating machine
D261773, Mar 15 1979 Texas Instruments Incorporated Design for a handheld calculator
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 10 1981YOSHIOKA, EIICHICANON KABUSHIKI KAISHA, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0039230746 pdf
Sep 10 1981SUWA, KANAMECANON KABUSHIKI KAISHA, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0039230746 pdf
Sep 10 1981ISHIWATARI, MASUMICANON KABUSHIKI KAISHA, A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0039230746 pdf
Sep 15 1981Canon Kabushiki Kaisha(assignment on the face of the patent)
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