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Canadian application, no grantCanada

Time delay fuse

CA 2386573 A1 · Owner: Cooper Technologies Company · Inventors: Ackermann, John Marvin

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

In an exemplary embodiment of the invention a fuse element for a, time delay fuse includes a conductive fuse element member a fuse link formed , within, the member and a heat sink coupled to the member. The heat sink draws heat from, the fuse element member and prevents the fuse link from opening for an increased, amount of time during high current overload conditions.

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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 15, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 15, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 15, 2024.
  • 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 15, 2002
GrantedNo grant recorded
Term endedMay 15, 2022
Patent numberCA 2386573 A1
Classification (IPC)H01H85/02 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMay 15, 2002Term endedMay 15, 2022

Sources & verification

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