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Expired Canadian patentCanada

Tank support joint

CA 1087927 A · Owner: General Dynamics Corporation · Inventors: Babcock, Robert A.; Holt, Luther E.; Glasfeld, Rolf D.

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 two-piece skirt is disclosed for supporting a tank in the hull of a ship. One skirt portion carries a trough, and the edge of the other skirt portion extends into the trough but is spaced from contact therewith. The trough is filled with a hardenable material, preferably of low thermoconductivity which, upon hardening structurally joins the two skirt portions. If the tank carries liquefied gas the joint effectively, thermally insulates it from the hull.

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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 October 21, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 21, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 14, 1978
GrantedOctober 21, 1980
Term endedOctober 21, 1997
Patent numberCA 1087927 A
Classification (IPC)B63B25/12 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedJune 14, 1978Patent grantedOct 21, 1980Term endedOct 21, 1997

Sources & verification

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