Flat textile structure with predetermined separation line
CA 2322386 A1 · Owner: Kloeckes, Uwe · Inventors: Bruggemann, Werner; Kloeckes, Uwe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a double woven fabric with an upper layer (1) and a lower layer (2) provision is made that, in the area of a desired predetermined separation line (9), a thread system with warp threads (3 6) and weft threads (4, 5 or 4', 5') alternates out of the upper layer (1) into the lower layer (2) and a thread system alternates out of the lower (2) into the upper layer (1). At both sides of the desired predetermined separation line (9) the threads (3, 6, 4, 5 or 4', 5') alternating between the upper layer (1) and the lower layer (2) and vice versa are separated in the lower layer (2). Created thereby is a flat textile structure with a predetermined separation line (9) invisible from 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 March 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 18, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 18, 2021.
- 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.