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Expired Canadian patentCanada

Balance weight cartridge with enclosed balance media

CA 2532455 C · Owner: International Marketing, Inc. · Inventors: Fogal, Robert D. Sr.; Fogal, Robert D. Jr.

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 balance weight comprising a cartridge having at least one interior chamber the interior chamber at least partially filled with a flowable balance media and wherein the cartridge is longitudinally arcuate at least when attached to , a wheel, about an angle of up to 180 degrees or less. The balance weight provides a balanced tire in the new or just balanced condition and helps retain the balance under changes in at least one operational characteristic of the tire/wheel assembly.

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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 15, 2004 and granted October 23, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 15, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 15, 2026.
  • 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 15, 2004
GrantedOctober 23, 2012
Term endedJuly 15, 2024
Patent numberCA 2532455 C
Classification (IPC)F16F15/22

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedJuly 15, 2004Patent grantedOct 23, 2012Term endedJuly 15, 2024

Sources & verification

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