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Expired Canadian patentCanada

Apparatus for keeping and mixing two substances

CA 1279849 C · Owner: Steigerwald, Franz · Inventors: Hildebrandt, Bodo; Steigerwald, Franz

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

In a container for a first substance an ampoule. which can be broken while the container is closed is, provided for a second substance. The container has a base and a rotatable cap. The ampoule spike is mounted in the region of the base. An eccentric on the cap is operatively connected to the ampoule that the base of the ampoule moves transversely to the longitudinal axis of the container on turning the cap, and the ampoule is mounted so as to be pivotable about the region of a predetermined breaking point.

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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 February 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 1, 1987
GrantedFebruary 5, 1991
Term endedFebruary 5, 2008
Patent numberCA 1279849 C
Classification (IPC)B65D25/08 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedOct 1, 1987Patent grantedFeb 5, 1991Term endedFeb 5, 2008

Sources & verification

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