Patent
   D437351
Priority
May 18 2000
Filed
May 18 2000
Issued
Feb 06 2001
Expiry
Feb 06 2015
Assg.orig
Entity
unknown
8
11
n/a
The ornamental design for a calculator with perpetual calendar, as shown and described.

FIG. 1 is a perspective view of the calculator with perpetual calendar in a closed state showing the new design;

FIG. 2 is a front view of the new design in a closed state;

FIG. 3 is a rear view of the new design in a closed state;

FIG. 4 is a left side view of the new design in a closed state;

FIG. 5 is a right view of the new design in a closed state;

FIG. 6 is a top view of the new design in a closed state;

FIG. 7 is a bottom view of the new design in a closed state;

FIG. 8 is a perspective view of the new design in an opened state;

FIG. 9 is a front view of the new design in an opened state;

FIG. 10 is a rear view of the new design in an opened state;

FIG. 11 is a left side view of the new design in an opened state;

FIG. 12 is a right view of the new design in an opened state;

FIG. 13 is a top view of the new design in an opened state; and,

FIG. 14 is a bottom view of the new design in an opened state.

Chu, William H. K., Chang, Shu-Chia

Patent Priority Assignee Title
D450342, Feb 02 2000 Hopestar Electronics Limited Combination calculator and calendar
D450762, May 04 2000 Perpetual calendar calculator
D462082, Sep 28 2001 Electronic calculator
D467509, Sep 28 2001 Electronic clock
D482626, Nov 12 2002 SHARPER IMAGE ACQUISITION LLC, A DELAWARE LIMITED LIABILITY COMPANY Big screen travel clock
D509238, Jan 26 2004 Casio Keisanki Kabushiki Kaisha Electronic calculator
D533214, Jan 13 2005 Calibre International, LLC Memo calculator
D616781, Oct 03 2007 ZagataRiley Display panel for a combined clock, calendar and weather indicator
Patent Priority Assignee Title
3827168,
5480118, Nov 09 1993 CARCROSS COMPANY, INC Foldable easel display mount
147742,
163586,
D274798, Feb 01 1982 Design Dimensions, Ltd. Portable personal information device with calendar-clock
D292710, Oct 22 1984 Computerized checkbook register
D352664, Dec 31 1992 Pollyflame International B.V. World time travel clock
D363881, Aug 11 1994 Travic Product Design Corporation Ltd. Alarm clock
D366621, Jan 24 1995 GTech Corporation Travel clock
D427629, Oct 26 1999 Limax Electronics Co., Ltd. Calculator with perpetual calendar suitable for traveler
D427630, Oct 26 1999 Limax Electronics Co., Ltd. Desk calculator with perpetual calendar
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 08 2000CHU, WILLIAM H K LIMAX ELECTRONICS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0108260272 pdf
May 08 2000CHANG, SHU-CHIALIMAX ELECTRONICS CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0108260272 pdf
May 18 2000Limax Electronics Co., Ltd.(assignment on the face of the patent)
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