Calculator

Latest Pollyflame International, B.V. Patents:

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left 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 rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D309627 July 31, 1990 Chu
D314396 February 5, 1991 Hayashi
D318869 August 6, 1991 Booty, Jr.
Other references
  • Design--476, Aug. 1988, p. 27, calculator--bottom left corner. Hong Kong Enterprise, Mar. 1989, p. 131, Wavecal calculator center of page.
Patent History
Patent number: D334766
Type: Grant
Filed: Jan 23, 1991
Date of Patent: Apr 13, 1993
Assignee: Pollyflame International, B.V. (Roelofarendsveen)
Inventor: Richard F. M. Peersmann (Scheveningen)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Ann Hunt
Law Firm: Foley & Lardner
Application Number: 7/644,378
Classifications
Current U.S. Class: With Keyboard (D18/7)