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Patent
   D332961
Priority
Dec 11 1989
Filed
Mar 08 1990
Issued
Feb 02 1993
Expiry
Feb 02 2007
Inventors
Peersmann,…
Assg.orig
POLLYFLAME…
Assg.curr
Pollyflame…
Entity
unknown
Referenced by
19
References
3
Maint.:
n/a
The ornamenal design for a calculator, as shown and described.

FIG. 1 is a right side elevational view of a calculator showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a right, front and top perspective view thereof.
INVENTORS:

Peersmann, Richard

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
6975888, Aug 20 2001 SMART SKINS LLC Interchangeable cover for a mobile communications device
D346382, Sep 15 1992 Kabushiki Kaisha Toshiba Portable radio telephone
D369801, Jan 05 1995 VTech Communications, Ltd Cordless telephone base housing
D369802, Jan 05 1995 VTech Communications, Ltd Cordless telephone base housing
D374188, Jun 16 1995 Casio Computer Co., Ltd. Combined electronic warning receiver and calculator
D421986, May 07 1999 Lisa L., Foote One-handed by-touch device
D435030, Dec 30 1998 K-TECH INTERNATIONAL LTD Telephone
D470135, Aug 20 2001 WILDSEED LTD Interchangeable cover for a mobile phone
D474164, Aug 20 2001 WILDSEED LTD Cellular telephone
D474165, Aug 20 2001 WILDSEED LTD Cellular telephone housing
D491977, Nov 06 2002 Brother Industries, Limited Tape printer
D501870, Oct 29 2003 Liquid container with calculator
D528586, Oct 25 2004 Calculator with liquid ornament
D529944, May 10 2005 Calibre International, LLC Carabiner calculator
D585931, Dec 14 2007 Calculator
D595338, Dec 14 2007 Calculator
D704673, Jan 25 2014 Curved split-screen cellphone
D715248, Jan 25 2014 Curved split-screen cellphone
D750119, Jan 25 2014 Split display screen with graphical user interface
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
D305668, Mar 05 1987 Sharp Corporation Electronic calculator with printer
D306311, Nov 20 1986 Matsushita Electric Industrial Co., Ltd. Electronic calculator
D318287, Apr 14 1989 Sekisui Kagaku Kogyo K.K. Portable electronic calculator
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 16 1990PEERSMANN, RICHARDPOLLYFLAME INTERNATIONAL B V ASSIGNMENT OF ASSIGNORS INTEREST 0052550764 pdf
Mar 08 1990Pollyflame International B.V.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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