Electronic calculator
- Casio
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Description
Claims
The ornamental design for an electronic calculator, as shown and described.
Referenced Cited
U.S. Patent Documents
D310543 | September 11, 1990 | Brown |
D351853 | October 25, 1994 | Ido |
D362865 | October 3, 1995 | Komuta et al. |
D368702 | April 9, 1996 | Shimizu |
D377043 | December 31, 1996 | Takahata |
D388456 | December 30, 1997 | Takahata et al. |
D398331 | September 15, 1998 | Ono |
D402967 | December 22, 1998 | Hanafsa et al. |
6798649 | September 28, 2004 | Olodort et al. |
Patent History
Patent number: D561246
Type: Grant
Filed: Mar 1, 2007
Date of Patent: Feb 5, 2008
Assignee: Casio Keisanki Kabushiki Kaisha (Tokyo)
Inventors: Makoto Matsuda (Tokyo), Junichi Ono (Higashikurume)
Primary Examiner: Robert M. Spear
Assistant Examiner: Garth Rademaker
Attorney: Frishauf, Holtz, Goodman & Chick, P.C.
Application Number: 29/273,288
Type: Grant
Filed: Mar 1, 2007
Date of Patent: Feb 5, 2008
Assignee: Casio Keisanki Kabushiki Kaisha (Tokyo)
Inventors: Makoto Matsuda (Tokyo), Junichi Ono (Higashikurume)
Primary Examiner: Robert M. Spear
Assistant Examiner: Garth Rademaker
Attorney: Frishauf, Holtz, Goodman & Chick, P.C.
Application Number: 29/273,288
Classifications