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Expired Canadian patentCanada

Hydraulically actuated handle apparatus

CA 2833013 C · Owner: Columbia Taping Tools Ltd. · Inventors: St.James, Tyson; St.James, Melbourne Edmond; St.James, Elliot

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 brake assembly comprises a tool plate and a brake dial attached to the tool plate. A hydraulic hose connector connects a hydraulic hose to the brake assembly. A ram housing is operably connected to the hydraulic hose connector. A ram is operably positioned within the ram housing such that the ram is pushed when hydraulic pressure is transmitted along the hydraulic hose. A brake pin engagable by the ram, secures to engage the brake dial to prevent pivotal movement of the tool plate.

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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 8, 2005 and granted June 16, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 8, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • 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 8, 2005
GrantedJune 16, 2015
Term endedMarch 8, 2025
Patent numberCA 2833013 C
Classification (IPC)B25G1/04 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMarch 8, 2005Patent grantedJune 16, 2015Term endedMarch 8, 2025

Sources & verification

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