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Expired Canadian patentCanada

Method for controlling an amount of material delivered during a material transfer

CA 2761429 C · Owner: The Procter & Gamble Company · Inventors: Ivey, Lara Jeanne; Ash, Raymond Houston; Chappell, David Arthur

CIPO record

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Abstract From the Canadian patent

A method for overlapping a delivery of at least one independently measured material with a , delivery of a main material from a source location to a target location during a material transfer , process. This method includes the steps of inputting a target amount for a main material to be , delivered from a source destination to a target destination wherein the main , material is delivered directly to the target location using a load-cell system and wherein a final , target batch weight is defined as the sum of a target amount for the main material and an aggregate sum of target , amounts for the independently measured materials to be delivered. The final target batch weight , is …

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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 November 22, 2000 and granted February 23, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 22, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 22, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 22, 2000
GrantedFebruary 23, 2016
Term endedNovember 22, 2020
Patent numberCA 2761429 C
Classification (IPC)G01G19/22 +1 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedNov 22, 2000Patent grantedFeb 23, 2016Term endedNov 22, 2020

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