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Expired Canadian patentCanada

Operating system for remote electrical equipment

CA 1265832 C · Owner: Siemens Energy & Automation, Inc. · Inventors: Samples, Billy G.; Newton, Ralph L.; Kaufman, Steven A.

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

h system is provided for operating electrical equipment such as circuit breakers from a remote point. A flexible push-pull type cable connects a linkage coupled to a pivoted handle and to a remote slider mechanism. The slider serves as a slave operator to effect reciprocation of a handle or similar operator element.

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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 February 13, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 2007.
  • 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 31, 1985
GrantedFebruary 13, 1990
Term endedFebruary 13, 2007
Patent numberCA 1265832 C
Classification (IPC)H01H3/36

Timeline

Timeline From CIPO dates

19861989199219951998200120042007Application filedOct 31, 1985Patent grantedFeb 13, 1990Term endedFeb 13, 2007

Sources & verification

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