Electronic calculator

The ornamental design for an electronic calculator, as shown and described.

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;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a left side elevational view thereof.

Patent	Priority	Assignee	Title
D652070,	Jul 15 2010	Sharp Kabushiki Kaisha	Electronic calculator

Patent	Priority	Assignee	Title
D251271,	Mar 07 1977	Sharp Corporation	Electronic calculating machine
D258888,	Aug 15 1978	Sharp Corporation	Combined electronic calculating machine and clock
D260646,	May 31 1979	Matsushita Electric Industrial Co., Ltd.	Combined radio, clock and calculator
D263966,	Aug 03 1979	Sharp Corporation	Electronic calculator with timepiece

Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Nov 30 1981	SAWADA, MASAJI	SHARP KABUSHIKI KAISHA, A CORP OF JAPAN	ASSIGNMENT OF ASSIGNORS INTEREST	003957	0554	pdf
Dec 14 1981		Sharp Corporation	(assignment on the face of the patent)

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