Fiber glass composite headliner and method of making the same
CA 2124407 C · Owner: Tocci, Mario Peter · Inventors: Bainbridge, David William; Bauman, Larry Maxwell; Tocci, Mario Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A self-supporting automotive headliner comprises a vapor impervious, polypropylene and wood fiber backing sheet with a corrugated paperboard medium adhered thereto and a layer of fiber glass insulation adhered to the corrugated paperboard medium. The backing sheet and paperboard medium provide the structural strength for the self-supporting headliner panel and the fiber glass insulation gives the headliner panel good sound absorption properties. When forming the headliner panel the corrugated, paperboard medium is located on the backing sheet which comprises wood and polypropylene fibers and a layer of uncured fiber glass insulation is placed on the corrugated paperboard medium. The …
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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 May 26, 1994 and granted January 6, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 26, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 26, 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.