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Expired Canadian patentCanada

Compacting, filling, heat sealing, quality controlling, and severing semi-fluent material into discrete packages

CA 1237399 A · Owner: United States Tobacco Company · Inventors: Jurczenia, Edward; Paules, Eugene H.; Nastro, Frank S.

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 machine for forming continuously, distinct, portions of smokeless tobacco in a pouch or pocket form and, continuously forming a chain of individual pouches containing the distinct portions of smokeless tobacco cutting each pouch from a string of pouches counting out a, pre-set number of pouches for filling a container with the pre-set number of pouches with a set moisture content; further indexing each container relative to its production cycle, including means for rejecting improperly filled containers based on improperly filled individual or a plurality of pouches, closing each container with a lid and, pneumatic and other control means for controlling the production cycle of the …

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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 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 10, 1984
GrantedMay 31, 1988
Term endedMay 31, 2005
Patent numberCA 1237399 A
Classification (IPC)B65B1/00 +2 more

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedJuly 10, 1984Patent grantedMay 31, 1988Term endedMay 31, 2005

Sources & verification

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