Electric eraser

Description

FIG. 1 is a bottom, right front perspective view of an electric eraser showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view, the right side being a mirror image thereof; and

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D180101 April 1957 Robinson
D184831 April 1959 Palma, Jr.
D186922 December 1959 Streich et al.
D223969 June 1972 Collura
D229389 November 1973 Kahn
D286548 November 4, 1986 Hsieh
D301198 May 23, 1989 Hashino et al.
D303271 September 5, 1989 Lord
D308809 June 26, 1990 Kawabata
D311757 October 30, 1990 Crutchfield
3368090 February 1968 Miller
Foreign Patent Documents
343843 February 1960 CHX
Other references
  • Design News 9/15/69 p. 44, See electric eraser-center page. Bruning Co. 6/2/71 Flyer-see eraser right center of page.
Patent History
Patent number: D324699
Type: Grant
Filed: Dec 19, 1989
Date of Patent: Mar 17, 1992
Assignee: Skylite Industry Co., Ltd. (Shizuoka)
Inventor: Keiichi Ohashi (Shizuoka)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Wegner, Cantor, Mueller & Player
Application Number: 7/452,331
Classifications