Pencil sharpener

Details Pencil sharpener Pencil sharpener

2011-03-29

2011-03-29

Self, Shelley (Department: 3725)

Woodworking

Process

Including monitoring of operation

C144S382000, C144S427000, C144S028720

Reexamination Certificate

active

07913731

ABSTRACT:
A pencil sharpener that facilitates the sharpening of pencils by any one or more of the following: preventing injury; automatically sharpening pencils without manual manipulation; providing status indicators during sharpening; and/or allowing varying degrees of sharpness to be selected.

REFERENCES:
patent: 3134365 (1964-05-01), Hori
patent: 3556182 (1971-01-01), Tanigami
patent: 3650308 (1972-03-01), Hori
patent: 3678975 (1972-07-01), Imanishi et al.
patent: 4601316 (1986-07-01), Verdi

Affiliated with

Also associated with

Rating

Pencil sharpener does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Pencil sharpener, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pencil sharpener will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2746547