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Patent
D273303
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Priority
Jun 26 1981
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Filed
Dec 14 1981
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Issued
Apr 03 1984
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Expiry
Apr 03 1998
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Assg.orig
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Entity
unknown
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13
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4
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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 front elevational view thereof;
FIG. 4 is a rear elevational view thereof; and
FIG. 5 is a left side elevational view thereof, the right side being
identical.
Sakamoto, Harumi
Patent |
Priority |
Assignee |
Title |
D287024, |
Dec 15 1983 |
Sharp Corporation |
Electronic calculator |
D303680, |
May 23 1986 |
Sharp Kabushiki Kaisha |
Electronic calculator |
D307595, |
Apr 11 1986 |
SHARP KABUSHIKI KAISHA, A CORP OF JAPAN |
Electronic calculator |
D309624, |
Apr 11 1986 |
SHARP KABUSHIKI KAISHA, OSAKA, JAPAN A CORP OF |
Electronic calculator |
D317620, |
Mar 31 1988 |
Cooper Technologies Company |
Lighting calculator |
D377190, |
Apr 22 1996 |
Casio Computer Co., Ltd. |
Electronic calculator |
D509238, |
Jan 26 2004 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator |
D652070, |
Jul 15 2010 |
Sharp Kabushiki Kaisha |
Electronic calculator |
D892208, |
Jul 13 2018 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator |
D902298, |
Jul 13 2018 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator |
D902299, |
Jul 13 2018 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator |
D902300, |
Jul 13 2018 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator |
D902301, |
Jul 13 2018 |
Casio Keisanki Kabushiki Kaisha |
Electronic calculator |
Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a