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Expired Canadian patentCanada

Blood collecting tube

CA 1323540 C · Owner: Terumo Kabushiki Kaisha · Inventors: Kasai, Masaaki

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

The blood collecting tube of the present invention has a tubular body that is opened at one end and closed at the other end and a sealing member which is bonded to the peripheral edge of the opening of the tubular body so as to seal this opening. Also, the blood collecting tube of the present invention has a tubular body that is opened at one end and is closed at the other end and a sealing member which can be pierced by a hollow needle and is bonded to peripheral edge of the opening of the tubular body to seal the opening in which the internal pressure of the tubular body is suitably reduced in accordance with the amount of blood to be collected and the, aforesaid sealing member is made up …

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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 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 18, 1987
GrantedOctober 26, 1993
Term endedOctober 26, 2010
Patent numberCA 1323540 C
Classification (IPC)A61J1/06 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedSep 18, 1987Patent grantedOct 26, 1993Term endedOct 26, 2010

Sources & verification

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