Combined file card holder and calculator

Description

FIG. 1 is a front elevational view of a combined file card holder and calculator showing my new design in an opened condition;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top, right front perspective view drawn to an enlarged scale; and,

FIG. 8 is a top, right front perspective view drawn to an enlarged scale with the lid member in a closed condition.

Referenced Cited
U.S. Patent Documents
D285094 August 12, 1986 Li
D291386 August 18, 1987 Johansson
D303873 October 10, 1989 Brussing
D308914 July 3, 1990 Chow
D309213 July 17, 1990 Chaney
D309626 July 31, 1990 Sakaguchi et al.
D312839 December 11, 1990 Nemeth
D317409 June 11, 1991 Chiarella
D317458 June 11, 1991 Sawada et al.
4117931 October 3, 1978 Berkman
4821882 April 18, 1989 Messina
Patent History
Patent number: D325601
Type: Grant
Filed: Nov 29, 1989
Date of Patent: Apr 21, 1992
Assignee: Muzex Inc. (Taipei)
Inventor: Kin-Lung Chen (Taipei)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Browdy and Neimark
Application Number: 7/443,638