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Expired Canadian patentCanada

Spring biased cam-type medical accessory post clamp

CA 1279860 C · Owner: Critikon, Inc. · Inventors: Ritson, Carl; Danby, Hal C.

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

of the Invention, A mounting clamp particularly suited for mounting medical accessories on support poles comprises a stationary clamping surface which can be attached to an accessory housing. A cam is pivotly mounted on a trunnion connected to the stationary clamping surface has a spiral clamping surface, the stationary clamping surface and spiral clamping surface being positioned to constitute a clamping means when the clamp is in a clamping position. A spring means having one end connected to the trunnion and the other end connected to the cam is provided for biasing the cam to the clamping position. A lever pivotly mounted on the trunnion has a projection which engages the cam and …

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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 February 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 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.
FiledNovember 17, 1986
GrantedFebruary 5, 1991
Term endedFebruary 5, 2008
Patent numberCA 1279860 C
Classification (IPC)A61M5/14 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedNov 17, 1986Patent grantedFeb 5, 1991Term endedFeb 5, 2008

Sources & verification

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