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Expired Canadian patentCanada

Electro-magnetic release mechanism

CA 2614263 C · Owner: Artemis Intelligent Power Limited · Inventors: Caldwell, Niall James; Mcintyre, Fergus Robert

CIPO record

Overview

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

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Abstract From the Canadian patent

An electro-magnetic mechanism comprises a spring-operated rod (1) having a recess (1a) and a latching member (2) engageable in the recess to block motion of the rod. A release member (4) retains the latching member engaged in the recess (1a) in a first position of the release member and allows the latching member to be disengaged from the recess in a second position of the release member (4). A magnet (5) retains the release member in the first position and the mechanism includes means such as a spring (7) for urging the release member (4) to the second position. A coil (8) is arranged to demagnetise the magnet (5) at least such that the release member moves to the second 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

  • Filed July 13, 2006 and granted June 23, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 13, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 13, 2006
GrantedJune 23, 2015
Term endedJuly 13, 2026
Patent numberCA 2614263 C
Classification (IPC)H02N15/00 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 13, 2006Patent grantedJune 23, 2015Term endedJuly 13, 2026

Sources & verification

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