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Expired Canadian patentCanada

Mechanically plated coatings containing lubricant particles

CA 1320873 C · Owner: Whitmore, Bryan · Inventors: Whitmore, Bryan

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Abstract From the Canadian patent

In a mechanical plating process lubricant particles, can be coated on a metal substrate together with the particulate plating metal to enhance the mechanicallyapplied coating's lubricity. The lubricant can be particles of fluorocarbon polymers, fluorocarbonhydrocarbon blended polymers, powdered elemental, carbon, powdered fluorinated carbon or mixtures, thereof. The lubricant particles have a diameter less than the thickness of the coating (which is usually from 2.5 to 132.5 mils), so they will not be dislodged from the coating. The particles must not be too small or they may be washed away by plating liquids or may be applied too far from the coating surface to enhance lubricity. These …

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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 August 3, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 3, 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.
FiledJune 19, 1989
GrantedAugust 3, 1993
Term endedAugust 3, 2010
Patent numberCA 1320873 C
Classification (IPC)B05D7/24 +2 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 19, 1989Patent grantedAug 3, 1993Term endedAug 3, 2010

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