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Patent
   D289177
Priority
Apr 19 1984
Filed
Oct 19 1984
Issued
Apr 07 1987
Expiry
Apr 07 2001
Inventors
Sawada, Ma…
Assg.orig
Sharp Corp…
Assg.curr
SHARP KABU…
Entity
unknown
Referenced by
51
References
4
Maint.:
n/a
The ornamental design for an electronic calculator, as shown and described.

FIG. 1 is a perspective view of the electronic calculator showing my new design with the keyboard cover and display open;

FIG. 2 is a perspective view thereof with the cover closed;

FIG. 3 is a front elevational view thereof with the cover closed;

FIG. 4 is a rear elevational view thereof with the cover closed;

FIG. 5 is a right side elevational view thereof with the cover closed;

FIG. 6 is a left side elevational view thereof with the cover closed;

FIG. 7 is a plan view thereof with the cover closed; and

FIG. 8 is a bottom view thereof.
INVENTORS:

Sawada, Masaji

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D302682, Sep 04 1986 American Telephone and Telegraph Company, AT&T Teletype Printer controller
D303250, Sep 30 1986 WANG LABORATORIES, INC Portable computer
D307892, Jul 06 1987 Toshiba Corporation Word processor having function of electronic computer
D308050, Aug 03 1987 Kabushiki Kaisha Toshiba Electronic computer
D308516, Apr 24 1987 Honeywell Inc. Portable computer maintenance system
D308535, Sep 23 1987 Smith Corona Corporation Typewriter
D310235, Jul 11 1988 COLGATE-PALMOLIVE S P A Typewriter
D310353, Jun 17 1987 Kabushiki Kaisha Toshiba Electronic computer
D310517, May 15 1987 Mitsubishi Denki Kabushiki Kaisha Portable computer
D311528, Feb 13 1987 Kabushiki Kaisha Toshiba Electronic computer
D311906, Aug 08 1988 Kabushiki Kaisha Toshiba Electronic computer
D312249, May 15 1987 Kabushiki Kaisha Toshiba Electronic computer
D313977, May 24 1988 Kabushiki Kaisha Toshiba Electronic computer
D314558, Feb 25 1988 Kabushiki Kaisha Toshiba Electronic computer
D316085, May 23 1988 Kabushiki Kaisha Toshiba Portable electronic computer
D321016, Oct 14 1987 VTECH INDUSTRIES, INC Electronic educational game housing
D322087, Mar 20 1989 Smith Corona Corporation Typewriter
D324038, Jun 20 1989 Kabushiki Kaisha Toshiba Electronic computer
D324379, Jun 06 1989 Kabushiki Kaisha Toshiba Electronic computer
D324380, Jul 06 1989 Kabushiki Kaisha Toshiba Electronic computer
D324673, Jul 14 1989 Kabushiki Kaisha Toshiba Electronic computer
D324674, Jul 13 1989 Kabushiki Kaisha Toshiba Electronic computer
D324676, Jun 20 1989 Kabushiki Kaisha Toshiba Electronic computer
D324855, Jul 06 1989 Kabushiki Kaisha Toshiba Electronic computer
D324856, Jul 31 1989 Kabushiki Kaisha Toshiba Electronic computer
D326650, Jul 18 1989 Kabushiki Kaisha Toshiba Electronic computer
D327473, Jun 12 1989 Kabushiki Kaisha Toshiba Electronic computer
D328287, Jun 12 1989 Kabushiki Kaisha Toshiba Electronic computer
D328288, Aug 29 1989 Kabushiki Kaisha Toshiba Electronic computer
D328455, Aug 29 1989 Kabushiki Kaisha Toshiba Electronic computer
D328592, Aug 29 1989 Kabushiki Kaisha Toshiba Electronic computer
D330197, Aug 30 1989 Kabushiki Kaisha Toshiba Electronic computer
D331393, Apr 07 1989 Kabushiki Kaisha Toshiba Electronic computer
D332780, Jun 09 1989 Kabushiki Kaisha Toshiba Electronic computer
D335287, Jul 14 1989 Kabushiki Kaisha Toshiba Electronic computer
D335869, Jul 06 1990 Kabushiki Kaisha Toshiba Electronic computer
D336076, Aug 28 1990 Kabushiki Kaisha Toshiba Electronic computer
D336286, May 14 1990 Kabushiki Kaisha Toshiba Electronic computer
D337096, Oct 25 1990 Kabushiki Kaisha Toshiba Electronic computer
D337100, May 15 1990 Kabushika Kaisha Toshiba Electronic computer
D337319, May 15 1990 Kabushiki Kaisha Toshiba Electronic computer
D337573, Aug 29 1989 Kabushiki Kaisha Toshiba Electronic computer
D337574, Nov 29 1989 Kabushiki Kaisha Toshiba Electronic computer
D338879, Jul 06 1989 Kabushiki Kaisha Toshiba Electronic computer
D345550, Jun 12 1991 Kabushiki Kaisha Toshiba Electronic computer
D347829, Dec 26 1991 Kabushiki Kaisha Toshiba Electronic computer
D350534, Jul 24 1990 Kabushiki Kaisha Toshiba Electronic computer
D364889, Aug 31 1992 Kabushiki Kaisha Toshiba Word processor
D369146, Aug 05 1994 Kabushiki Kaisha Toshiba Electronic computer
D376812, Sep 07 1995 Canon Business Machines, Inc. Electronic typewriter having a full-size display screen
D652070, Jul 15 2010 Sharp Kabushiki Kaisha Electronic calculator
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
4497036, Apr 12 1983 Microffice Systems Technology; MicroOffice Systems Technology Portable computer
D278340, Mar 02 1982 Sony Corporation Computer
D279106, Jan 28 1983 Sharp Corporation Desk-top calculator
D282082, Oct 18 1983 Brother Kogyo Kabushiki Kaisha Printer
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 19 1984Sharp Corporation(assignment on the face of the patent)
Dec 24 1986SAWADA, MASAJISHARP KABUSHIKI KAISHA TO BE REPRESENTED AS SHARP CORPORATION IN ENGLISH , A CORP OF JAPANASSIGNMENT OF ASSIGNORS INTEREST 0046550897 pdf
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