Expired Canadian patentCanada
Knitted fabric with a new pattern and a process for its production
CA 1081491 A · Owner: Bayer Aktiengesellschaft · Inventors: Schillings, Helmut; Baesgen, Harold
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure The invention is related to elastic warp knitted articles comprising as warp threads elastic yarns which have been formed into three or more adjacent stitches in one course.
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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
- Granted July 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 22, 1977
GrantedJuly 15, 1980
Term endedJuly 15, 1997
Patent numberCA 1081491 A
Classification (IPC)D04B21/18
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.