Expired Canadian patentCanada
Process for the preparation of a composite mat
CA 1234464 A · Owner: Congoleum Corporation (A 1986 Delaware Company) · Inventors: Stetson, John R.
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 Invention, A process is disclosed for the preparation of a composite mat having smooth upper and lower faces which composite mat comprises a mat of fibrous material encapsulated within a resinous polymeric gel.
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
- Granted March 29, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 29, 2005.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 25, 1984
GrantedMarch 29, 1988
Term endedMarch 29, 2005
Patent numberCA 1234464 A
Classification (IPC)B32B5/02 +2 more
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.