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Expired Canadian patentCanada

Process and apparatus for transporting and storing bobbins, especiallyfor removing them from automatic spinning machines or the like

CA 1300074 C · Owner: Durkoppwerke Gmbh · Inventors: Grube, Erwin

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

In a process for transporting and storing bobbins, especially for removing them from automatic spinning machines, the bobbins are received and collected in an inclined collecting chute from a conveyor belt are, then brought into a horizontal arrangement as a result of the pivoting of the collecting chute and are pushed in groups from the collecting chute into a transfer chute. A conveyor carrier belonging to a suspension conveyor and provided with at least one chute portion for receiving a group of bobbins is brought into a position adjacent to the transfer chute. The transfer chute is moved into a position located next to the chute portion of the conveyor carrier, and the bobbins are …

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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 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 2009.
  • 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 8, 1986
GrantedMay 5, 1992
Term endedMay 5, 2009
Patent numberCA 1300074 C
Classification (IPC)B65D1/04 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedApril 8, 1986Patent grantedMay 5, 1992Term endedMay 5, 2009

Sources & verification

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