Expired Canadian patentCanada
Device for laying-out and breaking-out of the sea-bottom and weighing an anchor
CA 1279532 C · Owner: Van Den Haak, Rob · Inventors: Van Den Haak, Rob
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A HOOK TYPE FOR LAYING-OUT AND WEIGHING AN ANCHOR AND INTENDED FOR TENSIONING OF AN ANCHOR LINE TO AN EMBEDDED ANCHOR.
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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 January 29, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 29, 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.
FiledOctober 31, 1986
GrantedJanuary 29, 1991
Term endedJanuary 29, 2008
Patent numberCA 1279532 C
Classification (IPC)B63B21/22
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.