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Patent
D284387
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Priority
May 20 1983
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Filed
Aug 03 1983
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Issued
Jun 24 1986
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Expiry
Jun 24 2000
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Assg.orig
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Entity
unknown
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8
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11
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n/a
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The ornamental design for a combined ruler, clock and solar cell calculator, as shown and described.
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FIG. 1 is a top plan view of a combined ruler, clock 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.
Li, Robert S. K.
| Patent |
Priority |
Assignee |
Title |
| 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 |
| 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 |
| D438235, |
Jul 10 2000 |
Limax Electronics Co., Ltd. |
Calculator |
| D449004, |
Mar 14 2001 |
|
Self opening calculator clock |
| D459383, |
Mar 14 2001 |
|
Self opening calculator clock |
| Patent |
Priority |
Assignee |
Title |
| 1334145, |
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| 4158229, |
Jun 24 1977 |
|
Electronic rule for precise distance measurement and distance setting |
| 4282571, |
Jan 22 1979 |
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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, |
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| D248995, |
Dec 29 1976 |
Sharp Kabushiki Kaisha |
Electronic calculating machine |
| D258740, |
Oct 08 1977 |
Casio Computer Co., Ltd. |
Electronic desk top calculator |
| 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 |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
n/a
| Date |
Maintenance Schedule |
n/a