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Expired Canadian patentCanada

Sealable fluid containment assembly

CA 1248466 A · Owner: Matheson Gas Products, Inc. · Inventors: Livanos, Vassilios J.; Proctor, James A.

CIPO record

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

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Abstract From the Canadian patent

Abstract of the Disclosure A hermetically sealable fluid containment assembly is provided. Fluids, such as compressed gases are, typically stored in a base container having a shoulder with a neck projecting outwardly from the shoulder. In accordance with the invention, a collar member generally surrounds the neck and rests upon the shoulder of the base container. A locking arrangement is provided to securely fasten the collar member to the base container. A closure member in the form of a protective cap engages the collar member. To prevent the leakage of fluid between the collar and the base container, a seal is provided between respectively engaging surfaces of the base container and 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 January 10, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 10, 2006.
  • 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 15, 1985
GrantedJanuary 10, 1989
Term endedJanuary 10, 2006
Patent numberCA 1248466 A
Classification (IPC)B65D81/20 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedOct 15, 1985Patent grantedJan 10, 1989Term endedJan 10, 2006

Sources & verification

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