Crayon

Details Crayon Crayon

2005-03-15

2005-03-15

Walczak, David J. (Department: 3751)

Coating implements with material supply

With signal or indicator

C401S075000, C401S092000

Reexamination Certificate

active

06866438

ABSTRACT:
A crayon comprising a holding portion, a cartridge for receiving a refill of a predetermined color and a cover characterized in that the cartridge is of the color of the refill, and a part of the cartridge is visible from the exterior, more specifically even when the cartridge is held by the holding portion and the cover is fitted on to the cartridge.

REFERENCES:
patent: 3446563 (1969-05-01), Burnham
patent: 3917416 (1975-11-01), Steyer
patent: 5183349 (1993-02-01), Kamen
patent: 5294205 (1994-03-01), Moeck et al.
patent: 5553956 (1996-09-01), Mitsuya et al.
patent: 5957607 (1999-09-01), Tsai

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