Case for an electronic calculator
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Description
FIG. 1 is a view in perspective of a case for an electronic calculator showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a plan elevational view thereof;
FIG. 4 is a rear elevational view of a case for an electronic calculator showing a modified form of our new design;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left-side elevational view thereof, the right side being a mirror image and the front being the same as FIG. 3;
FIG. 7 is a left side elevational view of the first embodiment.
Referenced Cited
Patent History
Patent number: D261005
Type: Grant
Filed: Aug 21, 1978
Date of Patent: Sep 29, 1981
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventors: Shinpei Ichikawa (Lubbock, TX), Robert A. Welch (Lubbock, TX)
Primary Examiner: Louis S. Zarfas
Attorneys: Robert D. Marshall, Jr., Leo N. Heiting, Melvin Sharp
Application Number: 5/935,213
Type: Grant
Filed: Aug 21, 1978
Date of Patent: Sep 29, 1981
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventors: Shinpei Ichikawa (Lubbock, TX), Robert A. Welch (Lubbock, TX)
Primary Examiner: Louis S. Zarfas
Attorneys: Robert D. Marshall, Jr., Leo N. Heiting, Melvin Sharp
Application Number: 5/935,213
Classifications