Applicator for liquid hair treatment preparation
CA 2006869 A1 · Owner: Thiele, Klaus · Inventors: Thiele, Klaus; Busch, Peter; Thiele, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An applicator for the continuous application of a liquid hair treatment preparation to the hair and/or skin of human beings or animals includes a reservoir for the hair treatment preparation, and teeth in capillary communication with the reservoir which release the hair treatment preparation to the hair or to the skin under the effect of combing. Both the teeth and the reservoir are made in one piece like a comb from a number of thin plates and/or films arranged in layers one above the other, with slot-like interstices between the individual plates and/or films of such a size that depending, on the particular plate and/or film materials and the hair treatment preparation to be applied, the …
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
- Filed December 28, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 28, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 28, 2011.
- 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.