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Canadian application, no grantCanada

Endless two part rubber track comprised of polyurethane based tread component and rubber carcass component and vehicle containing such track

CA 2390209 A1 · Owner: Krishnan, Ram Murthy · Inventors: Botts, Bina Patel; Krishnan, Ram Murthy; Rodgers, Michael Brendan

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

The invention relates to a two part endless vehicular rubber (flexible elastomeric) track comprised of a polyurethane based tread component and a rubber, carcass component. In one aspect the tread component may be comprised of a sulfur, curable polyurethane or blend of sulfur curable polyurethane and sulfur curable, elastomer. The invention includes a vehicle containing such track.

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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 2, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 2, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 2, 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.
FiledJuly 2, 2002
GrantedNo grant recorded
Term endedJuly 2, 2022
Patent numberCA 2390209 A1
Classification (IPC)B62D55/24

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJuly 2, 2002Term endedJuly 2, 2022

Sources & verification

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