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Expired Canadian patentCanada

External bone fixation apparatus

CA 1259234 A · Owner: Pfizer Hospital Products Group, Inc. · Inventors: Mears, Dana C.

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 An apparatus for the external fixation and stabilization of a bone fracture comprising fixation pins attached to at least one rigid bar through adjustable clamps which are translatable along said rigid bar wherein the attachment of the pins and bar to the clamps is through articulating balls which allow universal rotational adjustment of each pin or bar. A method for the external fixation and stabilization of a bone fracture utilizing said apparatus is also disclosed.

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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 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 12, 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.
FiledSeptember 12, 1986
GrantedSeptember 12, 1989
Term endedSeptember 12, 2006
Patent numberCA 1259234 A
Classification (IPC)A61F5/00 +2 more

Timeline

Timeline From CIPO dates

1987198919911993199519971999200120032005Application filedSep 12, 1986Patent grantedSep 12, 1989Term endedSep 12, 2006

Sources & verification

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