Patent
   D243251
Priority
Feb 26 1975
Filed
Aug 21 1975
Issued
Feb 01 1977
Expiry
Feb 01 1991
Assg.orig
Entity
unknown
4
4
n/a
The ornamental design for an electronic calculating machine, as shown and described.

FIG. 1 is a front perspective view of an electronic calculating machine showing our new design with the cover shown in an operating state;

FIG. 2 is a plan view with the cover closed;

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;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a bottom view thereof; and

FIG. 8 is a sectional view taken along the line 8--8 of FIG. 3 showing the case and operating buttons only.

The broken line disclosure of the display numerals in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

Sakamoto, Junichi, Hazama, Shigetoshi

Patent Priority Assignee Title
D255124, Aug 24 1977 Sharp Kabushiki Kaisha (Sharp Corp.) Calculating machine
D256472, Mar 06 1978 Texas Instruments Incorporated Case for an electronic calculator
D258891, Jul 25 1978 CHEMICAL BANK, AS COLLATERAL AGENT Electronic calculating machine
D259201, Nov 14 1978 Sharp Corporation Electronic calculating machine
Patent Priority Assignee Title
235452,
235879,
235880,
237195,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 21 1975Sharp Corporation(assignment on the face of the patent)
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