Patent
   D285094
Priority
Jan 26 1984
Filed
Mar 16 1984
Issued
Aug 12 1986
Expiry
Aug 12 2000
Assg.orig
Entity
unknown
14
6
n/a
The ornamental design for a combined calculator, ruler and desk tray, substantially as shown and described.

FIG. 1 is a top plan view of a combined calculator, ruler, and desk tray showing my new design in closed condition;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a left end elevational view;

FIG. 5 is a right end elevational view; and

FIG. 6 is a perspective view of the design in open condition.

Li, Robert S. K.

Patent Priority Assignee Title
5134780, May 20 1991 WEDGE INNOVATIONS, INC ; WEDGE INNOVATIONS, INC A OKLAHOMA CORPORATION Inclinometer with rail having a hollow I-shaped cross-section
D289414, Jun 19 1985 Carrier Corporation Duct design calculator
D306234, Feb 20 1986 FORM & PAC CO , LTD , A HONG KONG CORP Box
D308644, Sep 09 1987 WEDGE INNOVATIONS, INC ; WEDGE INNOVATIONS, INC A OKLAHOMA CORPORATION Carpenter level
D325601, Nov 29 1989 Muzex Inc. Combined file card holder and calculator
D327092, Jun 12 1990 ELDON INDUSTRIES, INC Combination desk unit
D330682, Apr 11 1991 WEDGE INNOVATIONS, INC ; WEDGE INNOVATIONS, INC A OKLAHOMA CORPORATION Carpenter's level
D333159, Jan 09 1990 Pollyflame International B.V. Combined desk accessory holder, clock and calculator
D336656, Jan 02 1992 POLLYFLAME INTERNATIONAL B V Combined bureau organizer and calculator
D341626, Apr 22 1992 Saunders Manufacturing Company, Inc. Combination clipboard and calculator
D360371, May 26 1994 M-D BUILDING PRODUCTS, INC Level
D398250, Oct 20 1997 Crayola LLC Ruler and drawing stencil
D398864, Oct 20 1997 Crayola LLC Ruler and drawing template
D398865, Oct 20 1997 Crayola LLC Protractor and drawing template
Patent Priority Assignee Title
157534,
D245109, Dec 10 1975 Canon Kabushiki Kaisha Desk top calculator with scale
D279381, Jan 19 1983 Cal-Comp Electronice, Inc. Calculator ruler or similar article
FR1147669,
FR634696,
FR720123,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 05 1984LI, ROBERT S K RJP ELECTRONICS LIMITED, A COMPANY OF HONG KONGASSIGNMENT OF ASSIGNORS INTEREST 0042400786 pdf
Mar 16 1984RJP Electronics Limited(assignment on the face of the patent)
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