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Expired Canadian patentCanada

Encapsulated heating element

CA 2267011 C · Owner: Larson, Arden · Inventors: Larson, Arden; Finger, John

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 new encapsulated heating element fluid heater for heating a fluid such as water. The inventive device includes a vessel and an end cap. The end cap has a plurality of bores therethrough extending between the first and second ends of the end cap. A plurality of elongate heating element rods extend through the bores of the end cap and each heating element rod has a heating portion outwardly extending from the first end of the end cap and an electric coupling portion outwardly extending from the second end of the end cap. The first end of the end cap is inserted into an open end of the vessel such that the heating portions of the heating elements extend into the vessel. The end cap is then …

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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 March 25, 1999 and granted January 8, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 25, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 25, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 25, 1999
GrantedJanuary 8, 2002
Term endedMarch 25, 2019
Patent numberCA 2267011 C
Classification (IPC)H05B3/44 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedMarch 25, 1999Patent grantedJan 8, 2002Term endedMarch 25, 2019

Sources & verification

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