Knock type eraser

- Tombow Pencil Co. Ltd.
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Description

FIG. 1 is a front view;

FIG. 2 is a right side view;

FIG. 3 is a left side view;

FIG. 4 is a rear view; and,

FIG. 5 is a perspective view.

Claims

The ornamental design for a knock type eraser, as shown and described.

Referenced Cited
U.S. Patent Documents
2454399 November 1948 Norlin
3288114 November 1966 Ritter
D233613 November 1974 Hand, III
3941488 March 2, 1976 Maxwell
D258219 February 10, 1981 Oka
D259053 April 28, 1981 Leblond
4453849 June 12, 1984 Fernandez
D332627 January 19, 1993 Anavil et al.
D335142 April 27, 1993 Katami et al.
6048121 April 11, 2000 Carver
D425122 May 16, 2000 Bardet
D439611 March 27, 2001 Fukami et al.
6368004 April 9, 2002 Yoshida et al.
D501505 February 1, 2005 Chien
20080107469 May 8, 2008 Yoon
Other references
  • Mono-Zero Knock Type Eraser, Item STT009, Tombo Co., 3 pages, 2008.
Patent History
Patent number: D590882
Type: Grant
Filed: Dec 20, 2007
Date of Patent: Apr 21, 2009
Assignee: Tombow Pencil Co. Ltd. (Tokyo)
Inventor: Kazunori Katami (Saitama)
Primary Examiner: Elizabeth A Albert
Attorney: Edwards Angell Palmer & Dodge LLP
Application Number: 29/294,064
Classifications
Current U.S. Class: Eraser (8) (D19/53)