Thermoplastic monofilament for bristles
CA 2441408 A1 · Owner: Weihrauch, Georg · Inventors: Weihrauch, Georg; Pusch, Hans-Ulrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a thermoplastic filament for bristles which exhibit , increased humidity when used comprising a polymer mixture consisting of at least one polyamide (PA) and at least one thermoplastic polyester (PE) whose , proportion of ingredients is selected in accordance with the technicalfunctional properties relevant to the use of said bristles and in accordance with the ambient conditions relevant to the function of said bristles in the site of utilization.
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 March 26, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 26, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 2024.
- 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.