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Expired Canadian patentCanada

Apparatus for making cigarettes

CA 1265409 C · Owner: Bryant, Raymond A. · Inventors: Bryant, Raymond A.; Bale, Christopher R.; Gill, Beresford R.

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

Abstract A hand operated device for applying cigarette paper to a preformed tobacco rod comprises a forming roller arranged to rotate the rod about its longitudinal axis mechanical, means for applying a pregummed sheet of cigarette paper to the rod as the rod is rotated about its axis wherein the, forming roller is provided along its length with a pair of circumferential helical grooves of opposite chirality there, being further provided a manually operable spigot means adapted to cooperate with said grooves and constrained to travel linearly parallel to the axis of the roller whereby manual movement of the spigot in either linear direction rotates the roller in a constant angular direction.

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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 February 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 24, 1987
GrantedFebruary 6, 1990
Term endedFebruary 6, 2007
Patent numberCA 1265409 C
Classification (IPC)A24C5/40 +1 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedFeb 24, 1987Patent grantedFeb 6, 1990Term endedFeb 6, 2007

Sources & verification

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