Electronic calculator
United States Patent D720802

Yaekura, Wataru (Tokyo, JP)
Ono, Junichi (Higashikurume, JP)
Application Number:
Publication Date:
Filing Date:
Casio Keisanki Kabushiki Kaisha (Tokyo, JP)
Primary Class:
International Classes:
(IPC1-7): 1801
Field of Search:
D14/142, D14/144, D14/146, D14/147, D14/148, D14/356, D14/357, D14/358, D14/371, D14/376, D14/382, D14/383, D14/385, D14/386, D14/387, D14/388, D14/389, D14/390, D18/1, D18/3.1, D18/3.2, D18/3.3, D18/4.4, D18/4.6, D18/6, D18/7, D18/11, D18/12, D18/12.1, D18/12.2, D18/12.3, D19/9, D19/10, D21/324, D21/329, D21/333, D21/369, D21/371, D21/377, D21/379, D21/392, D99/28, D99/29, D99/30, D99/31, D99/34, D99/35, D99/36, D99/43, 235/2, 235/4, 235/7R, 235/12, 235/22, 235/33, 235/58R, 235/59R, 235/61R, 235/375, 235/379, 235/380, 235/385, 235/386, 235/439, 235/441, 235/451, 235/492, 186/37, 361/679.3, 705/14.65, 705/15, 705/16, 705/17, 705/22, 705/25
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US Patent References:
D652070Electronic calculatorJanuary, 2012TakahashiD18/7
D631086Electronic calculatorJanuary, 2011Ono et al.D18/7
D598485Electronic calculatorAugust, 2009Miyahara et al.D18/7
D598486Electronic calculatorAugust, 2009Miyahara et al.D18/7
D584762Electronic calculatorJanuary, 2009Ono et al.D18/7
D580478Electronic calculatorNovember, 2008Matsuda et al.D18/7
D560712CalculatorJanuary, 2008de BrebissonD18/7
D536365Electronic calculatorFebruary, 2007Ono et al.D18/7
D501499Electronic calculatorFebruary, 2005MatsudaD18/7
D416280Electronic calculatorNovember, 1999Matsuda et al.D18/7
D408440Electronic calculatorApril, 1999Matsuda et al.D18/7
D362266Electronic calculatorSeptember, 1995MatsudaD18/7

Primary Examiner:
Goodman, Eric
Assistant Examiner:
Wierenga, Amy
Attorney, Agent or Firm:
Holtz, Holtz, Goodman & Chick PC

1. The ornamental design for an electronic calculator, as shown.


FIG. 1 is a front, right side, bottom perspective view of an electronic calculator showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.