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Expired Canadian patentCanada

Combined buoy and anchor device

CA 1286544 C · Owner: Saulnier, Kenneth Delby · Inventors: Leeuwen, Hubert John Van; Saulnier, Kenneth Delby

CIPO record

Overview

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A combined buoy and anchor device for fishermen comprises a buoy body with a hollow interior and having its upper end closeable by a lid, a reel rotatably mounted in the buoy body and to which is secured the inner end of a cable and an anchor connected to an outer end of the cable. The anchor includes a shank and a plate detachable from the shank, the plate and the lid having interengaging formations so that the plate can be retained in place on the lid. The buoy preferably includes a generally cylindrical upper portion surrounding the hollow interior, and a reel-containing lower portion separated from the upper portion by a wall. The hollow interior of the buoy can be used for holding bait …

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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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.
FiledJanuary 13, 1987
GrantedJuly 23, 1991
Term endedJuly 23, 2008
Patent numberCA 1286544 C
Classification (IPC)B63B22/24

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJan 13, 1987Patent grantedJuly 23, 1991Term endedJuly 23, 2008

Sources & verification

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