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Expired Canadian patentCanada

Dosage package

CA 1307776 C · Owner: Aktiebolaget Draco · Inventors: Widerstrom, Carin Ann-Helen Marianne

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

Dosage package of a thermoplastic material with a relatively flat container (1), which has a permanently shaped edge wall portion (5) extending all around, as well as two opposite side wall portions (8,9), which are compressable to discharge a well defined dosage via a discharge tube (2) which joins, the edge wall portion (5). Fig. 3

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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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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.
FiledMarch 24, 1986
GrantedSeptember 22, 1992
Term endedSeptember 22, 2009
Patent numberCA 1307776 C
Classification (IPC)B65D1/32 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedMarch 24, 1986Patent grantedSep 22, 1992Term endedSep 22, 2009

Sources & verification

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