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Expired Canadian patentCanada

Hybrid lubricant including halocarbon oil

CA 1075222 A · Owner: Ebert, Michael · Inventors: Reick, Franklin G.

CIPO record

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

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Abstract From the Canadian patent

A hybrid lubricant in which a stabilized colloidal, dispersion of solid lubricant particles (PTFE) is uniformly dispersed in a fluid lubricant carrier including a small amount of halocarbon oil. When the hybrid lubricant is diluted with a major amount of a conventional fluid lubricant it functions in, the environment of rubbing surfaces and reacts therewith to develop a layer of solid lubricant on these surfaces whereby the surfaces then have the benefit of both solid and fluid lubrication, thereby minimizing friction under all operating conditions regardless of their severity.

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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 April 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 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.
Filed—
GrantedApril 8, 1980
Term endedApril 8, 1997
Patent numberCA 1075222 A
Classification (IPC)C10M177/00

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedApril 8, 1980Term endedApril 8, 1997

Sources & verification

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