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Expired Canadian patentCanada

Method and belt of oriented nylon with rubber sheet adhered thereto

CA 1090243 A · Owner: Moldex, Inc. · Inventors: Paine, Ellis H.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A new product in the form of high tensile strength belting, and the method of making the same. The product is high tensile strength oriented nylon bonded to a layer of rubber on one or both faces. A sheet of nylon film is bonded to one face of a sheet of rubber and the layer of, nylon film on the sheet of rubber is then bonded to a sheet of oriented nylon with an adhesive which bonds the two nylon surfaces together.

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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 November 25, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 25, 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 30, 1976
GrantedNovember 25, 1980
Term endedNovember 25, 1997
Patent numberCA 1090243 A
Classification (IPC)B32B25/08 +1 more

Timeline

Timeline From CIPO dates

1977198019831986198919921995Application filedNov 30, 1976Patent grantedNov 25, 1980Term endedNov 25, 1997

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.