Pocket calculator

Description

FIG. 1 is a top plan view of a pocket calculator showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front perspective view thereof, with the battery compartment open;

FIG. 8 is a front perspective view thereof, shown in a closed position.

Referenced Cited
U.S. Patent Documents
D248369 July 4, 1978 Robertson et al.
1839846 January 1932 Greenbaum
3515264 June 1970 Pittman
4058208 November 15, 1977 Lund
Patent History
Patent number: D306456
Type: Grant
Filed: Jul 27, 1987
Date of Patent: Mar 6, 1990
Assignee: Dah Sun Electronics Company Limited (Hong Kong)
Inventor: Chi H. D. Chan (Hong Kong)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Pollock, Vande Sande & Priddy
Application Number: 7/78,491
Classifications