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Patent
D284199
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Priority
May 20 1983
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Filed
Aug 02 1983
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Issued
Jun 10 1986
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Expiry
Jun 10 2000
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Assg.orig
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Entity
unknown
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17
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11
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n/a
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The ornamental design for a combined ruler, clock and calculator, as shown and combined.
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FIG. 1 is a top plan view of a combined ruler, clock and 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 |
5134780, |
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|
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M-D BUILDING PRODUCTS, INC |
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Oct 20 1997 |
Crayola LLC |
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|
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Feb 19 1997 |
|
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D438235, |
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D449004, |
Mar 14 2001 |
|
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D459383, |
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|
Self opening calculator clock |
D510042, |
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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 |
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4404643, |
Feb 27 1980 |
Hosiden Electronics Co. |
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4530068, |
Jun 13 1980 |
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201300, |
|
|
|
D248995, |
Dec 29 1976 |
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Oct 08 1977 |
Casio Computer Co., Ltd. |
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D271025, |
Jul 19 1982 |
RJP Electronics Limited |
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D279381, |
Jan 19 1983 |
Cal-Comp Electronice, Inc. |
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