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Patent
D581453
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Priority
Apr 07 2008
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Filed
Apr 07 2008
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Issued
Nov 25 2008
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Expiry
Nov 25 2022
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Assg.orig
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Entity
unknown
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2
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8
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n/a
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The ornamental design for a calculator, as shown and described.
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FIG. 1 is a front, bottom, left side perspective view of a calculator showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a back elevational view thereof; and,
FIG. 7 is a front, bottom, left side view thereof, shown in an environment of use.
The broken lines depict environmental subject matter only and form no part of the claimed design.
Cetera, Carl
Patent |
Priority |
Assignee |
Title |
D243535, |
Nov 28 1975 |
Sharp Kabushiki Kaisha |
Electronic calculating machine |
D273392, |
Sep 30 1981 |
Sharp Corporation |
Electronic calculator |
D289045, |
Feb 01 1985 |
Nortel Networks Limited |
Keypad for a handset telephone |
D307032, |
Jan 07 1987 |
Sharp Corporation |
Electronic calculator with solar cell |
D310094, |
May 19 1987 |
Aurora Impex Corporation |
Electronic calculator |
D351185, |
Jun 25 1992 |
Casio Computer Co., Ltd. |
Combined electronic calculator and battery tester |
D533213, |
Oct 06 2004 |
Calibre International, LLC |
Calculator |
D535335, |
Dec 15 2005 |
GMPC, LLC |
Notepad holder with concealable calculator |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a