Electrically-powered eraser

- Rotex Company
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Description

FIG. 1 is a front perspective view of an electrically-powered eraser showing my new design;

FIG. 2 is a right side elevational view, the left side being a mirror image thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view; and

FIG. 6 is bottom plan view thereof.

The fragmentary power cord attachment depicted by means of broken lines in FIG. 2 is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D180101 April 1657 Robinson
D184831 April 1959 Palma
D205748 September 1966 Hall
D207147 March 1967 Daher
D217705 June 1970 Niederwaugers
D223969 June 1972 Collura
D304543 November 14, 1989 Somers et al.
3286558 November 1966 Hufnagel
Other references
  • Charles Bruning Company, see Cordless Electric Eraser, right side of page.
Patent History
Patent number: D311757
Type: Grant
Filed: Jul 27, 1987
Date of Patent: Oct 30, 1990
Assignee: Rotex Company (Dallas, TX)
Inventor: Mack W. Crutchfield (Dallas, TX)
Primary Examiner: Bruce W. Dunkins
Assistant Examiner: Martha Thompson
Law Firm: Timmons & Kelly
Application Number: 7/78,071