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Expired Canadian patentCanada

Apparatus for controlling closing motion of vehicular sliding door

CA 2238223 C · Owner: Hirai, Mitsuru · Inventors: Nishimura, Narumichi; Hirai, Mitsuru

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 apparatus for controlling the closing motion of a vehicular sliding door has a track extending in a longitudinal direction of a motor vehicle body a sliding, door panel movable in opening and closing directions along the track by an actuator unit, an operating unit mounted on an inner lower side of the sliding door panel and operable in response to movement of a handle on the sliding door panel, and a drive signal generator mounted on the track at an open position of the sliding door panel, for generating a drive signal to energize the actuator unit to move the sliding door panel in a closing direction when the operating unit operates.

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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

  • Filed May 21, 1998 and granted July 24, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 21, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 21, 1998
GrantedJuly 24, 2001
Term endedMay 21, 2018
Patent numberCA 2238223 C
Classification (IPC)E05F15/56 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedMay 21, 1998Patent grantedJuly 24, 2001Term endedMay 21, 2018

Sources & verification

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