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Expired Canadian patentCanada

Mixing block for mixing multi-component reactive material coating systems and an apparatus using same

CA 2318193 C · Owner: Warner, William G. Ii · Inventors: Bazil, Kurt D.; Warner, William G. Ii

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 present invention, provides a mixing block for mixing fluid components of, a multi-component system and which includes at least, two components inlets (202 204. wherein each component, inlet receives a respective component or components of the, multi-component system; and a solvent inlet (210), wherein, the solvent inlet receives solvent for use in cleaning the mixing, block. The mixing block further includes at least two flow, channels (212 214), which, intersect, wherein an upstream end (216, 218) of each of the, intersecting flow channels (212 214) is connected to at least one, of the component inlets (202 204) and a downstream end of, each of the intersecting flow channels 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 January 12, 1999 and granted October 15, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 12, 2019.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 12, 2021.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 12, 1999
GrantedOctober 15, 2002
Term endedJanuary 12, 2019
Patent numberCA 2318193 C
Classification (IPC)B29B7/74 +2 more

Timeline

Timeline From CIPO dates

2000200220042006200820102012201420162018Application filedJan 12, 1999Patent grantedOct 15, 2002Term endedJan 12, 2019

Sources & verification

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