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Expired Canadian patentCanada

Method and device for eliminating imperfect cigarettes in connection with a cigarette packaging machine

CA 1323331 C · Owner: Focke, Heinz · Inventors: Focke, Heinz

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

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Abstract From the Canadian patent

Method and device for eliminating imperfect cigarettes in connection with a cigarette packaging machine, Abstract in conjunction with Fig. 1, To examine cigarettes (11) prior to packaging same a testing unit (17) is, disposed in a cigarette magazine (12) above magazine chutes (13). The testing unit (17) is provided with test chutes (28) for the accommodation of a vertical test line (26) of cigarettes. Guide and support means (36 37) are disposed on, the underside and by means of relative displacements, they produce a stoppage phase of the cigarettes in the test chutes (28) and effect delivery of the tested cigarettes.

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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 October 19, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 19, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 10, 1987
GrantedOctober 19, 1993
Term endedOctober 19, 2010
Patent numberCA 1323331 C
Classification (IPC)B07C5/00 +1 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedJune 10, 1987Patent grantedOct 19, 1993Term endedOct 19, 2010

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