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Expired Canadian patentCanada

Tank fill assist

CA 1279834 C · Owner: Thetford Corporation · Inventors: Selina, John Robert; Antos, John Michael

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

A tank fill assist for filling a tank or other equivalent volume from a remote source of liquid for example filling a, consumer product from a sink or bathroom faucet with fresh water. The fill assist is normally stowed within the interior of the tank. It is withdrawn for connection to a faucet for tank filling, and is then returned to stowed position after tank filling. The fill assist comprises standard flexible conduit with unique inlet and outlet fittings at opposite ends. The outlet fitting is disposed within the interior of the tank and is constructed and arranged to prevent accidental separation of the fill assist from the tank when the conduit is withdrawn from the tank yet to allow …

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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.
FiledApril 13, 1987
GrantedFebruary 5, 1991
Term endedFebruary 5, 2008
Patent numberCA 1279834 C
Classification (IPC)B65D25/44 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 13, 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.