Patent
   D422300
Priority
Feb 05 1999
Filed
Feb 05 1999
Issued
Apr 04 2000
Expiry
Apr 04 2014
Assg.orig
Entity
unknown
10
4
n/a
The ornamental design for a "calculator", as shown and described.

FIG. 1 is a three dimensional perspective view depicting the front, top and left side portions of a "calculator" employing Applicant's new design.

FIG. 2 is a top elevational view of the "calculator" depicted in FIG. 1 employing Applicant's new design wherein there is depicted the top view of the "calculator".

FIG. 3 is a right side elevational view of the "calculator" employing Applicant's new design as depicted in FIG. 1, the left side elevational view being a mirror image of FIG. 3.

FIG. 4 is a front elevatinal view of the "calculator" depicted in FIG. 1 employing Applicant's new design.

FIG. 5 is a rear elevational view of the "calculator" depicted in FIG. 1 employing Applicant's new design.

FIG. 6 is a bottom elevational view of the "calculator" depicted in FIG. 1 employing Applicant's new design.

FIG. 7 is a bottom elevational view of an alternative embodiment of the "calculator" depicted in FIG. 1 employing Applicant's new design, wherein only one spring element is depicted as opposed to three spring elements as depicted in FIG. 6, all other views as depicted in FIGS. 1 through 5 as related to this alternative embodiment of applicant's new design as depicted in FIG. 7, being the same; and,

FIG. 8 is a bottom elevational view of another alternative embodiment of the "calculator" depicted in FIG. 1 employing Applicant's new design, wherein only two spring elements are depicted as opposed to three spring elements as depicted in FIG. 6, all other views as depicted in FIGS. 1 through 5 as related to this alternative embodiment of applicant's new design as depicted in FIG. 8, being the same.

Leung, Chan Sik

Patent Priority Assignee Title
D461839, Sep 28 2001 Electronic calculator
D462277, Dec 28 2000 Timing device
D462377, Oct 30 2001 Calculator
D475736, Jun 12 2002 COLEMAN POWERMATE, INC Calculator
D500782, Dec 19 2003 Sun Coast Merchandise Corp Calculator
D502209, Dec 19 2003 Sun Coast Merchandise Corp Calculator
D506495, Dec 19 2003 Sun Coast Merchandise Corp Calculator
D513035, Jul 15 2004 Eric Beare Associates Ltd. Calculator
D528586, Oct 25 2004 Calculator with liquid ornament
D530735, Dec 29 2004 Sun Coast Merchandise Corporation Calculator
Patent Priority Assignee Title
D243751, Mar 06 1975 LUCAS DURALITH AKT CORPORATION Keyboard for a calculator or a combined calculator and watch or similar article
D251634, Oct 25 1977 Texas Instruments Incorporated Case for a learning aid or calculator or the like
D310095, May 19 1987 Aurora Impex Corporation Electronic calculator
D318462, Jul 28 1989 ACHIP TECHNOLOGIES, INC A CORP OF CALIFORNIA Pocket electronic directory
Executed onAssignorAssigneeConveyanceFrameReelDoc
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule