Cosmetic pencils
CA 1103618 A · Owner: Schwan-Stabilo Schwanhausser G.M.B.H. & Co. · Inventors: Winkler, Wolfgang; Kruckel, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pencil for cosmetic purposes has a stick of a cosmetic composition firmly enclosed by a hollow tubular shaft of a material which can be sharpened. The stick has an exposed point at one end rounded off to a convex shape and the shaft end adjacent to the stick point has the shape of a truncated cone the outside of which merges with the outer surface of the stick point. The stick including the point is cast into the tubular shaft.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 23, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 23, 1998.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.