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Expired Canadian patentCanada

Sausage encasing machine having an improved looper horn

CA 2077840 C · Owner: Stork Townsend Inc. · Inventors: Townsend, Ray T.; Basile, Vincent L. Ii

CIPO record

Overview

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

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Abstract From the Canadian patent

A sausage encasing machine (10) has an improved looper horn (56) thereon mounted to be in communication with the horizontal flow path of encased linked sausages being discharged from the machine. The looper horn (56) is mounted on a looper horn adapter (36) which rotatably secures the horn for rotation with respect to the machine about a rotational axis (39) that extend downwardly from the looper horn adapter (36). The looper horn (56) is connected to a suitable source of rotational power (via 40). The geometry of the adapter (36) and the looper horn (56) causes the horn (56) to be rotated from a substantially horizontal position of maximum elevation through a circular continuous arc which …

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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

  • Filed September 9, 1992 and granted January 6, 1998. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 9, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 9, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 9, 1992
GrantedJanuary 6, 1998
Term endedSeptember 9, 2012
Patent numberCA 2077840 C
Classification (IPC)A22C11/00 +1 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedSep 9, 1992Patent grantedJan 6, 1998Term endedSep 9, 2012

Sources & verification

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