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Expired Canadian patentCanada

Microprocessor controlled soldering station

CA 2011076 C · Owner: Cooper Industries, Inc. · Inventors: Urban, Paul L.; Postlewait, Lester B.

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

A soldering system comprising M soldering tools where M, is ~ 1 and is an integer and N soldering tips where N is ~ 1 and is an integer with one of the N tips attached to one of the M soldering tools. The soldering system is also comprised of a control circuit connected to the one tool having the one tip attached to it. The control circuit maintains the one tip at a desired temperature. The control circuit has a device for inputting the desired temperature at which the control circuit maintains the temperature of the one tip. In a preferred embodiment, each of the N tips have an identity and each of the M tools have an identity. The control circuit maintains the one tip attached to the one …

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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 February 28, 1990 and granted December 29, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 28, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 28, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 28, 1990
GrantedDecember 29, 1998
Term endedFebruary 28, 2010
Patent numberCA 2011076 C
Classification (IPC)B23K3/03 +1 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedFeb 28, 1990Patent grantedDec 29, 1998Term endedFeb 28, 2010

Sources & verification

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