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The ornamental design for a calculator casing, substantially as shown and described. |
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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.
Sulek, Eugene Joseph, Lawrence, William James
| Patent | Priority | Assignee | Title |
| D260785, | Jan 05 1979 | Mattel, Inc. | Electronic word game casing or similar article |
| D265065, | May 12 1980 | Powers Medical Systems, Inc. | Cardiac pacemaker tester |
| D282815, | Jan 20 1983 | CONSOLIDATED DEVICES, INC , 19220 SAN JOSE AVENUE, CITY OF INDUSTRY, CALIFORNIA, 91748, A CORP OF CA | Torque tool readout unit |
| D306229, | Aug 01 1986 | Allowance bank | |
| D362461, | Sep 01 1994 | Franklin Electronic Publishers, Incorporated | Electronic book with display screen and speaker |
| Patent | Priority | Assignee | Title |
| 233347, | |||
| 238788, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 02 1976 | Texas Instruments Incorporated | (assignment on the face of the patent) | / |
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