Dual helical cutter for pencil sharpener

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front perspective view of a dual helical cutter for a pencil sharpener showing the placement of the two cutting devices relative to one another;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view thereof;

FIG. 4 is rear perspective view thereof; and,

FIG. 5 is a rear elevation view thereof.

Claims

The ornamental design for dual helical cutter for a pencil sharpener, as shown and described.

Referenced Cited
U.S. Patent Documents
3746061 July 1973 Nakazaki
5031484 July 16, 1991 Packer
5115697 May 26, 1992 Rodriguez et al.
D359968 July 4, 1995 Ekblad et al.
D363728 October 31, 1995 Asano
6402438 June 11, 2002 Boyer
6997650 February 14, 2006 Voigt et al.
7802946 September 28, 2010 Ishida
20020081161 June 27, 2002 Yamada et al.
20030002928 January 2, 2003 Soltau et al.
20030190201 October 9, 2003 Marusich et al.
20100175788 July 15, 2010 Yeh et al.
20100310329 December 9, 2010 Harif
Patent History
Patent number: D649989
Type: Grant
Filed: Jun 29, 2011
Date of Patent: Dec 6, 2011
Assignee: Elmer's Products, Inc. (Westerville, OH)
Inventor: Benjamin Dunlap (Statesville, NC)
Primary Examiner: Patricia Palasik
Attorney: McNees Wallace & Nurick, LLC
Application Number: 29/396,420
Classifications