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Expired Canadian patentCanada

Auxiliary extended reach system for master-slave manipulator

CA 1106874 A · Owner: Central Research Laboratories, Inc. · Inventors: Jelatis, Demetrius G.; Haaker, Lester W.

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Abstract From the Canadian patent

AUXILIARY EXTENDED REACH SYSTEM FOR MASTER-SLAVE MANIPULATOR ABSTRACT OF THE DISCLOSURE:, An improved remote control master-slave manipulator of the type by which an operator working on one size of a protective barrier wall may perform work on the opposite side of that wall. It has means for translating linear motion into rotary motion for transfer through the barrier wall and retranslation into linear motion. The improved manipulator is characterized by an auxiliary power assist system for extending the slave arm independently of the master arm or simultaneously with manual extension of the slave arm. This application is a division of application Serial No. 327,586 filed May 15, 1979.

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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 11, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 6, 1980
GrantedAugust 11, 1981
Term endedAugust 11, 1998
Patent numberCA 1106874 A
Classification (IPC)B25J3/00

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Application filedOct 6, 1980Patent grantedAug 11, 1981Term endedAug 11, 1998

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