Hand-held motor-driven eraser

Description

FIG. 1 is a perspective view taken from top, front and right end of a hand-held motor-driven eraser showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and

FIG. 7 is a right side elevational view thereof.

The eraser portion depicted by means of broken lines in FIGS. 1, 2, 3, 6 and 7 is shown for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D184831 April 1959 Palma, Jr.
D185279 May 1959 Freedman
D219123 November 1970 Eckel
D223969 June 1972 Collura
D263952 April 20, 1982 Yoshizawa
D286548 November 4, 1986 Hsieh
D303271 September 5, 1989 Lord
D304543 November 14, 1989 Sommers et al.
D308809 June 26, 1990 Kawabata
2128524 August 1938 Daviau
Foreign Patent Documents
951587 March 1964 GBX
Other references
  • Visual Systems Company, Inc., .COPYRGT.1988, See p. 166, lower right, #1011600 Electric Eraser.
Patent History
Patent number: D320230
Type: Grant
Filed: May 9, 1989
Date of Patent: Sep 24, 1991
Assignee: Arile Industrial Co., Ltd.
Inventor: Jason Chen (Taipei)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Kolisch, Hartwell, Dickinson, McCormack & Heuser
Application Number: 7/349,783