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Expired Canadian patentCanada

Loop ostomy appliance

CA 1258801 A · Owner: Craig Medical Products Limited · Inventors: Steer, Peter L.

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

An integrally formed single piece loop ostomy appliance includes a central rod portion a, cross piece transverse to the rod portion at one end, and a displaceable end piece at the other end, displaceable between a first position which extends in the same general direction as the rod portion and a second position transverse to the rod portion. The end piece comprise a catch disposed to be in locking engagement with a recess in the rod portion when the end piece is moved to the second position. The end piece further comprises first and second spaced apart walls partially forming an aperture and adapted to be squeezed toward one another to release the catch from the recess. The loop ostomy …

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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 August 29, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 29, 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.
FiledAugust 20, 1985
GrantedAugust 29, 1989
Term endedAugust 29, 2006
Patent numberCA 1258801 A
Classification (IPC)A61B17/00 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedAug 20, 1985Patent grantedAug 29, 1989Term endedAug 29, 2006

Sources & verification

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