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Expired Canadian patentCanada

Method and apparatus for positioning a shaft aligning sensing structure on a shaft

CA 1214029 A · Owner: Malak, Stephen P. · Inventors: Malak, Stephen P.

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Abstract From the Canadian patent

A method and apparatus for positioning a shaft aligning sensing structure on a shaft to a calibrated position comprising, a support, first means on the support controlling movement of the shaft aligning sensing structure from a first position to a second position, positioning means mounted on the support acting with the surface of the shaft and cooperating means mounted on the shaft aligning sensing structure responsive to the positioning means, whereby the positioning means reacts to the diameter of the shaft and causes the cooperating means to position the shaft aligning sensing structure at the calibrated position.

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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 18, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 30, 1983
GrantedNovember 18, 1986
Term endedNovember 18, 2003
Patent numberCA 1214029 A
Classification (IPC)B23P11/00 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedSep 30, 1983Patent grantedNov 18, 1986Term endedNov 18, 2003

Sources & verification

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