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Expired Canadian patentCanada

Manually operable atomizer

CA 1100920 A · Owner: Yoshino Kogyosho Co. Ltd. · Inventors: Iizuka, Shigeo; Saito, Tadao; Tsuchida, Haruo

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Title of the Invention MANUALLY OPERABLE ATOMIZER, Abstract of the Disclosure A manually operable atomizer of a type adapted to pressurizing the liquid to be atomized by a pumping action of a piston, upon depression of the latter through an atomizing head, the liquid has been sucked up from a container and, atomizing the pressurized liquid from a nozzle. The atomizer has a flange annexed to a cylinder which is adapted to cooperate with said piston in performing the pumping action a connecting member secured to a neck opening portion of the container and adapted to hold the flange and a holding member opposing to the connecting member and adapted to hold the flange, so that the atomizing …

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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

  • Granted May 12, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 1998.
  • 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 30, 1978
GrantedMay 12, 1981
Term endedMay 12, 1998
Patent numberCA 1100920 A
Classification (IPC)B05B11/06

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedMay 30, 1978Patent grantedMay 12, 1981Term endedMay 12, 1998

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