Calculator

- Data Electrocraft Corp.

Latest Data Electrocraft Corp. Patents:

Description

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

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a perspective view of another embodiment thereof.

Referenced Cited
U.S. Patent Documents
D276536 November 27, 1984 Siefert
D308984 July 3, 1990 Chu
D326471 May 26, 1992 Chen
Other references
  • Hong Kong Enterprise, Jul. 1988, p. 206, calculators GE-C123 & GE-C130--upper left side of pg. Cole-Parmer Co., Nov. 1986, p. 871, Digital up/down timer--f. Hong Kong Enterprise, Sep. 1984, p. 311, calculator--top right corner of pg.--Universal Sales Co.
Patent History
Patent number: D337603
Type: Grant
Filed: May 27, 1992
Date of Patent: Jul 20, 1993
Assignee: Data Electrocraft Corp. (Taipei)
Inventor: Paul Chen (Taipei)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Ann Hunt
Law Firm: Lowe, Price, LeBlanc & Becker
Application Number: 7/889,296
Classifications
Current U.S. Class: With Keyboard (D18/7)