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Expired Canadian patentCanada

Method of recycling exhaust emissions

CA 2879267 C · Owner: N/C Quest Inc. · Inventors: Lewis, Gary

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

An emissions recycling system is used on a vehicle towing an agricultural implement to enrich the fertility of the soil. The system includes an exhaust collector for collecting exhaust emissions from the internal combustion engine of the towing vehicle and an exhaust distribution system for injecting at least a portion of the exhaust emissions collected by the exhaust collector into the ground worked by the ground working tools of the agricultural implement. Fertility of the soil is enriched by bioactivity within the soil's micro flora which consumes the greenhouse gas and emissions.

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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 June 6, 2006 and granted August 9, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 2026.
  • 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.
FiledJune 6, 2006
GrantedAugust 9, 2016
Term endedJune 6, 2026
Patent numberCA 2879267 C
Classification (IPC)A01B79/02 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJune 6, 2006Patent grantedAug 9, 2016Term endedJune 6, 2026

Sources & verification

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