Patent
   D381676
Priority
Dec 23 1994
Filed
Dec 23 1994
Issued
Jul 29 1997
Expiry
Jul 29 2011
Assg.orig
Entity
unknown
1
12
n/a
The ornamental design for outer surfaces of a retractable cover for a hand held calculator, as shown and described.

FIG. 1 is a perspective top frontal view of outer surfaces of a retractable cover for a hand held calculator showing our new design;

FIG. 2 is a perspective top rear view thereof;

FIG. 3 is a top plan view thereof, the opposite bottom surface being plain and unornamental;

FIG. 4 is a front end elevation view thereof, the opposite rear end elevation view being a mirror image thereof; and,

FIG. 5 is a side elevation view thereof, the opposite side elevation view being a mirror image thereof.

Broken lines are shown for illustration purposes and form no part of the claimed ornamental design.

Quek, Soo Huat, Loh, Philip Kwok Nan

Patent Priority Assignee Title
D624077, Sep 14 2007 MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD Electronic toll collection machine
Patent Priority Assignee Title
4165554, Jun 12 1978 Hand-held portable calculator assembly
4259568, Oct 12 1979 Henning Dynesen A/S Combined casing and operational support for a pocket calculator
4596923, Nov 06 1985 Aurora Mechatronics Corp. Calculator housing
4703160, Jun 14 1985 Texas Instruments Incorporated Casing structure of portable electronic appliance
4989926, Nov 21 1989 Case-stand for hand held calculators, computers and data collectors
5128829, Jan 11 1991 PICS, INC Hinge and stand for hand-held computer unit
D243329, Jun 04 1975 Magnifier for calculator read out
D269278, Mar 31 1981 Canon Kabushiki Kaisha Desk-top electronic calculator
D283137, Jan 25 1983 Zengrange Limited Combined calculator and protective case
D283138, Jan 25 1983 Zengrange Limited Protective case for a calculator or the like
D306176, Feb 25 1986 SHARP KABUSHIKI KAISHA TO BE REPRESENTED AS SHARP CORPORATION IN ENGLISH Combined calculator and cradle therefor
D330907, Jan 22 1991 INFINITRONIX, LTD Combined calculator and cover
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 23 1994Hewlett-Packard Company(assignment on the face of the patent)
Nov 22 1996LOH, PHILIP KWOK NANHewlett-Packard CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0082800713 pdf
Nov 22 1996QUEK, SOO HUATHewlett-Packard CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0082800713 pdf
May 20 1998Hewlett-Packard CompanyHewlett-Packard CompanyMERGER SEE DOCUMENT FOR DETAILS 0115230469 pdf
Jan 31 2003Hewlett-Packard CompanyHEWLETT-PACKARD DEVELOPMENT COMPANY, L P ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0269090208 pdf
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