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Expired Canadian patentCanada

Safety needle for dispensing medication

CA 1290212 C · Owner: Lopez, George A. · Inventors: Lopez, George A.

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

Disclosed is a medical device used with a syringe or the like that includes a needle protected by a guard. The needle has a connector at one end opposite its tip which enables it to be connected to the syringe. The guard is mounted on the needle and is movable axially along the shaft of the needle between a retracted position enabling the needle to be inserted into a patient and a forward position covering the tip of the needle. The guard is moved forward manually from the retracted to the forward position by the nurse after using the needle to protect the nurse against accidental needle sticks. The forward manner in which the guard is moved by the nurse eliminates the possibility of 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 October 8, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 8, 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 6, 1987
GrantedOctober 8, 1991
Term endedOctober 8, 2008
Patent numberCA 1290212 C
Classification (IPC)A61M5/32 +1 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedApril 6, 1987Patent grantedOct 8, 1991Term endedOct 8, 2008

Sources & verification

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