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Expired Canadian patentCanada

Apparatus for explosion application of coatings

CA 1107953 A · Owner: Bondarenko, Alexandr S. · Inventors: Bondarenko, Alexandr S.; Zverev,Anatoly I.

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

An apparatus comprises an explosion made in the form of a tube closed at one end which accomiodates at least one spark plug. The explosion chamber communicates with a chamber for preparation of an explosive mixture and with a batcher metering pulverulent coating material via a mixing, chamber of the batcher communicating with a hopper via a, passage. The passage incorporates a device for controlling the cross-sectional area thereof and is provided with a jet nozzle for positively feeding the coating material to the explosion chamber. A partition wall of a gas-permeable material is mounted within the hopper in equally spaced relation to the walls thereof to define an annular space …

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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 September 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.
FiledApril 6, 1977
GrantedSeptember 1, 1981
Term endedSeptember 1, 1998
Patent numberCA 1107953 A
Classification (IPC)B05B7/14

Timeline

Timeline From CIPO dates

1978198119841987199019931996Application filedApril 6, 1977Patent grantedSep 1, 1981Term endedSep 1, 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.