Thermobonding interlining comprising a layer of fibers intermingled with textured weft yarns and its production method
CA 2133500 A1 · Owner: Lainiere De Picardie S.A. · Inventors: Groshens, Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The thermobonding interlining of the invention comprises at least one nonwoven layer of intermingled fibers or filaments of given general direction and of, which one face is coated with dots of thermofusible polymer. It further comprises yarns called weft yarns which are textured continuous filaments disposed, crosswise to said general direction and which are bonded to said layer due to the intermingling of the fibers or filaments of the layer. If the interlining only comprises one non-woven layer, the dots of thermofusible polymer are disposed on the face of the layer on which weft yarns are partly exposed. The interlining according to the invention can also comprise two nonwoven layers of …
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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 September 30, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2016.
- 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.