Calculator case
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Description
FIG. 1 is a left side elevational view of a calculator case showing our new _design.
FIG. 2 is a top plan view thereof.
FIG. 3 is a front elevational view thereof.
FIG. 4 is a bottom plan view thereof.
FIG. 5 is a rear elevational view thereof.
FIG. 6 is a right side elevational view thereof.
The broken line disclosure of a keyboard and switches is for illustrative purposes only.
Referenced Cited
Patent History
Patent number: D257512
Type: Grant
Filed: May 16, 1978
Date of Patent: Nov 11, 1980
Assignee: Litton Business Systems, Inc.
Inventors: Terry L. Barner (Morris Plains, NJ), Stuart D. Leer (Budd Lake, NJ), Myron Beitler (West Orange, NJ)
Primary Examiner: Louis S. Zarfas
Attorney: William L. Muckelroy
Application Number: 5/906,520
Type: Grant
Filed: May 16, 1978
Date of Patent: Nov 11, 1980
Assignee: Litton Business Systems, Inc.
Inventors: Terry L. Barner (Morris Plains, NJ), Stuart D. Leer (Budd Lake, NJ), Myron Beitler (West Orange, NJ)
Primary Examiner: Louis S. Zarfas
Attorney: William L. Muckelroy
Application Number: 5/906,520
Classifications
