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Expired Canadian patentCanada

Two-component spray gun with solvent flush/blend

CA 2442014 C · Owner: Kosmyna, Michael J. · Inventors: Kosmyna, Michael J.; Wisniewski, Ralph A.

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 dispensing system for a plural component mixture includes a dispensing device, a first container which may or may not be flexible and separate , flexible second, containers for each of the components. The second containers are adapted to be placed within, the first container. The first container is adapted to be held by an operator during dispensing, of plural component mixture from the dispensing device. Separate conduits are coupled, between the second containers and the dispensing device. The dispensing device includes a, passageway for the passage of each respective component through the dispensing device. Each passageway includes a valve. An actuator controls the valves thereby …

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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 September 22, 2003 and granted September 20, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 22, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 22, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 22, 2003
GrantedSeptember 20, 2011
Term endedSeptember 22, 2023
Patent numberCA 2442014 C
Classification (IPC)B05B11/06 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedSep 22, 2003Patent grantedSep 20, 2011Term endedSep 22, 2023

Sources & verification

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