Calculator ruler or similar article

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Description

FIG. 1 is a perspective view of a calculator ruler showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D245109 July 19, 1977 Yoshioka
D248995 August 15, 1978 Hazama et al.
D271025 October 18, 1983 Li
Patent History
Patent number: D279381
Type: Grant
Filed: May 31, 1983
Date of Patent: Jun 25, 1985
Assignee: Cal-Comp Electronice, Inc. (Taipei)
Inventor: Chee-Chun Leung (Taipei)
Primary Examiner: Louis S. Zarfas
Law Firm: Cushman, Darby and Cushman
Application Number: 6/499,516