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Expired Canadian patentCanada

Water rescue projectiles

CA 1280322 C · Owner: Glasdon Limited · Inventors: Lloyd, John

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

IMPROVEMENTS IN OR RELATING TO WATER RESCUE PROJECTILES", The disclosure relates to a water rescue projectile including an elongate float capable of supporting a victim in water and having one domed shaped leading end and a trailing end to which a flexible sleeve is secured forming a continuation of the elongate float and housing a throwing line attached at one end to the float within the sleeve and having an opposite end to be retained by the thrower. Thus the throwing line is thrown with the float and is payed out from the sleeve in flight to the target.

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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 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 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.
FiledAugust 26, 1986
GrantedFebruary 19, 1991
Term endedFebruary 19, 2008
Patent numberCA 1280322 C
Classification (IPC)B63C9/26

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedAug 26, 1986Patent grantedFeb 19, 1991Term endedFeb 19, 2008

Sources & verification

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