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Expired Canadian patentCanada

Sterile docking process, apparatus and system

CA 1210913 A · Owner: E.I. Du Pont De Nemours And Company · Inventors: Spencer, Dudley W.C.

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Abstract From the Canadian patent

TITLE, Sterile Docking Process, Apparatus and System ABSTRACT, A process, apparatus and system for making a sterile connection between two thermoplastic resin tubes is disclosed. The tubes are severed by an array of hot wires so as to form molten tube ends. The array is maintained at a temperature such that ambient air immediately within the vicinity of urging is kept sterile. Then, the tubes are aligned with each other and urged together. As the thermoplastic resin cools a sterile weld is formed.

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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 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 5, 1983
GrantedSeptember 9, 1986
Term endedSeptember 9, 2003
Patent numberCA 1210913 A
Classification (IPC)A61M5/00

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJuly 5, 1983Patent grantedSep 9, 1986Term endedSep 9, 2003

Sources & verification

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