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Canadian application, no grantCanada

Method for treating products with air, a product treatment device and the products thus treated

CA 2449211 A1 · Owner: Perret, Maurice · Inventors: Perret, Maurice

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 method for treating products with air in order to enable the conservation storage and use thereof. Said invention also relates to a device for treating such products and the products obtained using said treatment method. The products (P) to be treated such as a hay drier or other similar agricultural products are loaded into a closed space (20) that is connected to a thermodynamic machine (21) which is controlled using a programmable automaton (22) and which is powered by an electrical cabinet (25). Three mass of water in air sensors (Q1 Q2 and Q3) determine the operation of the machine according to the desired treatment objectives both in terms of moisture in …

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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 17, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 17, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 17, 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 17, 2002
GrantedNo grant recorded
Term endedMay 17, 2022
Patent numberCA 2449211 A1
Classification (IPC)F26B21/06 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedMay 17, 2002Term endedMay 17, 2022

Sources & verification

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