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Expired Canadian patentCanada

Abrasive product and method

CA 1317466 C · Owner: Abrasive Technology N.A. Inc. · Inventors: Ishak, Maher

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 method of making a flexible abrasive product comprises bonding a conductive sheet to a flexible substrate, applying a surface mask to said sheet to define a multitudinous pattern of holes having a predetermined shape, and electrodepositing metal onto said conductive sheet through said holes in the presence of particulate abrasive material to form metal pellets carrying said particulate abrasive material. The product has excellent abrasive properties, good flexibility and, durability.

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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 May 11, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 7, 1988
GrantedMay 11, 1993
Term endedMay 11, 2010
Patent numberCA 1317466 C
Classification (IPC)B24D3/06 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedJan 7, 1988Patent grantedMay 11, 1993Term endedMay 11, 2010

Sources & verification

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