Calculator

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Description

FIG. 1 is a front elevational view of calculator showing my new design;

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; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D310095 August 21, 1990 Noguchi
D318287 July 16, 1991 Tsukamoto
D319083 August 13, 1991 Sullivan
D327297 June 23, 1992 Anawalt
3638944 February 1972 McQueen
Other references
  • Potpourri, p. 19, calculator, top left of page. The Music Stand, p. 9, pallet calculator, bottom right. Design, Mar. 1991, p. 26, calculator, bottom left of page.
Patent History
Patent number: D332620
Type: Grant
Filed: Jul 15, 1991
Date of Patent: Jan 19, 1993
Inventor: William H. K. Chu (Shen-Keng Hsiang, Taipei)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Ann Hunt
Application Number: 7/730,296
Classifications
Current U.S. Class: With Keyboard (D18/7)