Improving the sealing of bonded batts
CA 2243329 A1 · Owner: Chamberlin, Susan Carol · Inventors: Slavin, Robert Wallace; Kwok, Wo Kong; Chamberlin, Susan Carol
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improvement in the sealing of bonded batts of fiberfill is obtained by providing a barrier layer of bonded bicomponent binder fibers on one or both faces of the remainder of the batt to prevent or reduce the tendency of the fiberfill to leak through such faces.
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 January 6, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 6, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 6, 2019.
- 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.