Case for a printing calculator
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Description
FIG. 1 is a view in perspective of a case for a printing calculator showing our new design;
FIG. 2 is top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a right side elevational view thereof; and
FIG. 5 is a rear elevational view thereof. The bottom of the calculator case is plain and conventional.
Referenced Cited
U.S. Patent Documents
D227473 | June 1973 | Lampel |
D233442 | October 1974 | Saito |
D235451 | June 1975 | Ishikawa |
D250293 | November 14, 1978 | Lawrence |
Patent History
Patent number: D253955
Type: Grant
Filed: Feb 21, 1978
Date of Patent: Jan 15, 1980
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventors: Eugene J. Sulek (TX), Richard R. Nesbitt (TX)
Primary Examiner: Louis S. Zarfas
Attorney: Rene' E. Grossman
Application Number: 5/879,553
Type: Grant
Filed: Feb 21, 1978
Date of Patent: Jan 15, 1980
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventors: Eugene J. Sulek (TX), Richard R. Nesbitt (TX)
Primary Examiner: Louis S. Zarfas
Attorney: Rene' E. Grossman
Application Number: 5/879,553
Classifications