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Expired Canadian patentCanada

End effector

CA 1297136 C · Owner: Tsuchihashi, Akira · Inventors: Noguchi, Naoki; Kuraoka, Kesatoshi; Tsuchihashi, Akira

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

An end effector secured to an front end of a manipulator of a remote manipulator system and having a function for clamping dedicated objects wherein a, force (or torque) applied to the end effector at the time of clamping the dedicated is detected so that a driving portion of the end effector is feedbackcontrolled in order to protect the end effector from being applied with a force (or torque) exceeding a predetermined level.

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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 March 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 20, 1988
GrantedMarch 10, 1992
Term endedMarch 10, 2009
Patent numberCA 1297136 C
Classification (IPC)B25J13/08 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedDec 20, 1988Patent grantedMarch 10, 1992Term endedMarch 10, 2009

Sources & verification

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