Patent · US Expired

Crayon

US6866438B2 · kind B2 · utility

22Cited by

6References

5Claims

0Family size

Assignee

SCHWAN-STABILO COSMETIC GMBH & CO. KG · DE

Inventors

Reinhard Bauer · Roßtal, DE
Ulrich Griebel · Altdorf, DE
Georg Roeder · Schwabach, DE

Key dates

Filing date	Sep 24, 2001
Grant date	Mar 15, 2005
Priority date	—
Expiry date	Sep 24, 2021

Classification

Technology area (CPC A)Human Necessities
CPC primaryA45D2040/208
WIPO fieldOther consumer goods
WIPO sectorOther fields

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.