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Expired Canadian patentCanada

Wire netting belt

CA 1308682 C · Owner: Graff, Wilhelm · Inventors: Graff, Wilhelm

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

Wire netting belt, more particularly for conveyors screen belt presses or the like, which is closed at its belt ends by an insert-type join to constitute an endless belt and is strengthened in its plane in its end regions with reinforcing strips consisting of a solidifying composition, to obviate arching of the belt at its central zone in the end regions.

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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 October 13, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 18, 1989
GrantedOctober 13, 1992
Term endedOctober 13, 2009
Patent numberCA 1308682 C
Classification (IPC)B65G15/54 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedAug 18, 1989Patent grantedOct 13, 1992Term endedOct 13, 2009

Sources & verification

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