Casing for an electronic calculator

- Hewlett Packard
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Description

FIG. 1 is a front perspective view of a casing for an electronic calculator showing my new design, the bottom surface of the casing being substantially plain and unornamented;

FIG. 2 is a side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D227992 July 1973 Abbott, Jr.
D228189 August 1973 Beitler et al.
Patent History
Patent number: D244862
Type: Grant
Filed: Sep 25, 1975
Date of Patent: Jun 28, 1977
Assignee: Hewlett-Packard Company (Palo Alto, CA)
Inventor: Barry R. Mathis (Loveland, CO)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Catherine Kemper
Attorney: William E. Hein
Application Number: 5/616,782
Classifications
Current U.S. Class: D64/11B
International Classification: D1801;