Process and apparatus for forming a consolidated strand of glass fibers
CA 2307112 A1 · Owner: Bursian, Petra · Inventors: Bursian, Petra; Klaus, Michaela
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process for the manufacture of a strand of glass fibers glass filaments, are withdrawn from a source with the aid of a rotating pulling surface. The glass, filaments are caused to dwell on the pulling surface adjacent and parallel to one, another. After an angle of rotation around the pulling surface the glass , filaments, are lifted from the pulling surface and the glass filaments are turned at a turn-around in a direction away from the pulling surface. The glass filaments are, cushioned as they are turned in the direction away from the pulling surface with an, air cushion. After lifting the glass filaments the glass filaments are , consolidated in a direction transverse to a …
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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 April 26, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 26, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 26, 2022.
- 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.