Combined clipboard and calculator

Description

FIG. 1 is a bottom, right front perspective view of a combined clipboard and calculator showing my new design;

FIG. 2 is a bottom end elevational view thereof;

FIG. 3 is a top end elevational view thereof;

FIG. 4 is a left side elevational view, the right side being a mirror image thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

FIG. 2 through 6 have been drawn to an enlarged scale with respect to FIG. 1.

Referenced Cited
U.S. Patent Documents
D240621 July 1976 Houser
D243688 March 15, 1977 Keyko et al.
D284678 July 15, 1986 Shamoon
D284976 August 5, 1986 Hung
D296220 June 14, 1988 Hung
D312663 December 4, 1990 Bordwell
D313819 January 15, 1991 Craft, Jr. et al.
4022993 May 10, 1977 Shattuck
Other references
  • Hong Kong Enterprise Mar. 1989, see p. 186 calculator w/triangular buttons-desk copy. Hong Kong, Enterprise May 1986 p. 207 see circled clipboard upper right-desk copy. Hong Kong Enterprise May 1986 p. 288 see model #CB1 circled-left-desk copy.
Patent History
Patent number: D334214
Type: Grant
Filed: Aug 7, 1991
Date of Patent: Mar 23, 1993
Inventor: John Gonzales (Cicero, IL)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Martha Thompson
Attorney: Terry M. Gernstein
Application Number: 7/741,161