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Patent
   D283515
Priority
May 20 1983
Filed
Aug 02 1983
Issued
Apr 22 1986
Expiry
Apr 22 2000
Inventors
Li, Robert…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
16
References
9
Maint.:
n/a
The ornamental design for a combined ruler and solar cell calculator, as shown and described.

FIG. 1 is a top plan view of a combined ruler and solar cell calculator, showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof, the rear being substantially a mirror image thereto;

FIG. 4 is a right end elevational view thereof;

FIG. 5 is a left end elevational view thereof.
INVENTORS:

Li, Robert S. K.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
5093760, Jan 11 1991 Calculator having a thin resilient clip disposed about the outer periphery
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
D308644, Sep 09 1987 WEDGE INNOVATIONS, INC ; WEDGE INNOVATIONS, INC A OKLAHOMA CORPORATION Carpenter level
D314714, Aug 19 1988 Delta International Machinery Corp. Measurement system display module
D330682, Apr 11 1991 WEDGE INNOVATIONS, INC ; WEDGE INNOVATIONS, INC A OKLAHOMA CORPORATION Carpenter's level
D343187, Apr 17 1992 FRANKLIN QUEST, CO , A CORP OF UTAH Calculator
D345757, Apr 17 1992 FRANKLIN QUEST, CO A CORP OF UT Combination calculator and clock
D384366, Aug 08 1996 Myron Manufacturing Corporation Combination ruler and calculator
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
D408743, Mar 06 1998 Appointment clock
D438235, Jul 10 2000 Limax Electronics Co., Ltd. Calculator
D510042, Dec 29 2004 Sun Coast Merchandise Corp. Calculator rule
D615428, Jul 17 2009 Best-Supplier International Inc. Solar power ruler calculator with see-through touch screen keyboard
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1334145,
4158229, Jun 24 1977 Electronic rule for precise distance measurement and distance setting
4282571, Jan 22 1979 Electronic distance measurement and displaying apparatus
4382280, Dec 30 1980 ADVANCED HANDICAPPING TECHNOLOGY, INC Electronic horse race analyzer
4404643, Feb 27 1980 Hosiden Electronics Co. Portable electronic calculator with a writing instrument
4530068, Jun 13 1980 Sharp Kabushiki Kaisha Electronic hand-held memory device
201300,
D271025, Jul 19 1982 RJP Electronics Limited Combined ruler and electronic calculator
D279381, Jan 19 1983 Cal-Comp Electronice, Inc. Calculator ruler or similar article
ASSIGNMENT RECORDS    Assignment records on the USPTO
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