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Publication numberUSD249388 S
Publication typeGrant
Application numberUS 05/720,166
Publication dateSep 12, 1978
Filing dateSep 2, 1976
Publication number05720166, 720166, US D249388 S, US D249388S, US-S-D249388, USD249388 S, USD249388S
InventorsEugene Joseph Sulek, William James Lawrence
Original AssigneeTexas Instruments Incorporated
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Calculator casing
US D249388 S
Abstract  available in
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  1. The ornamental design for a calculator casing, substantially as shown and described.

FIG. 1 is a view in perspective of a calculator casing showing our new design;

FIG. 2 is a plan view thereof, on an enlarged scale;

FIG. 3 is a front elevational view thereof, on an enlarged scale;

FIG. 4 is a side elevational view thereof, on an enlarged scale; and

FIG. 5 is a rear elevational view thereof, on an enlarged scale.

The bottom side of the calculator casing is plain and conventional.

Non-Patent Citations
1Commodore C108 Electronic Calculator Advertisement Rec'd Ja. 1972, Calculator.
2Office Products, Feb. 1975, p. 64, Model 12-M Electronic Desk-top Calculator.
U.S. ClassificationD18/7