Electrically-powered eraser

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Information

Patent Grant
D311757

References
Source

Patent Number
D311,757
Date Filed
Monday, July 27, 1987
38 years ago
Date Issued
Tuesday, October 30, 1990
35 years ago

Inventors
- Mack W. Crutchfield
Original Assignees
- Rotex Company
Examiners
- Dunkins; Bruce W.
- Thompson; Martha
Agents
- Timmons & Kelly

US Classifications
- D19 - Office supplies
Field of Search
- US
- D08 61
- D08 62
- D19 53
- 015 353
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an electrically-powered eraser, as shown and described.

US Referenced Citations (8)

Number	Name	Date	Kind
D180101	Robinson	Apr 1657
D184831	Palma	Apr 1959
D205748	Hall	Sep 1966
D207147	Daher	Mar 1967
D217705	Niederwaugers	Jun 1970
D223969	Collura	Jun 1972
D304543	Somers et al.	Nov 1989
3286558	Hufnagel	Nov 1966

Non-Patent Literature Citations (1)

Entry
Charles Bruning Company, see Cordless Electric Eraser, right side of page.