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Patent
D276242
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Priority
Jul 30 1981
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Filed
Jan 29 1982
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Issued
Nov 06 1984
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Expiry
Nov 06 1998
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Assg.orig
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Entity
unknown
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10
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3
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n/a
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The ornamental design for an electronic calculator, as shown and described.
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FIG. 1 is a top plan view of an electronic calculator showing my new
design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a front elevational view thereof; and
FIG. 5 is a right side elevational view thereof, the left side view being
identical.
Sakamoto, Harumi
Patent |
Priority |
Assignee |
Title |
D285806, |
Dec 20 1983 |
Sharp Corporation |
Electronic calculator |
D290372, |
Oct 22 1984 |
Sharp Kabushiki Kaisha |
Electronic calculator |
D298622, |
Sep 25 1985 |
Sharp Corporation |
Input/output device for electronic memo |
D307890, |
Dec 21 1988 |
UNITRON TECHNOLOGIES, INC |
Hand held data entry terminal |
D317618, |
Apr 19 1989 |
SHARP KABUSHIKI KAISHA, A CORP OF JAPAN |
Electronic calculator |
D317777, |
Dec 15 1987 |
Sharp Corporation |
Electronic calculator |
D350763, |
Jul 28 1992 |
Casio Computer Co., Ltd. |
Electronic calculator |
D364890, |
Feb 15 1995 |
Casio Computer Co., Ltd. |
Electronic calculator |
D368111, |
Feb 15 1995 |
Casio Computer Co., Ltd. |
Electronic calculator |
D652070, |
Jul 15 2010 |
Sharp Kabushiki Kaisha |
Electronic calculator |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a