Boat lift
CA 1316873 C · Owner: Lougheed, Allen Dale · Inventors: Lougheed, Allen Dale; Lougheed, Suzanne Marie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A boat lift consisting of a support and a pair of arms aligned in parallel spaced relation. Each of the arms have one end pivotally connected to the support. The arms are movable between a stored position resting substantially horizontally upon the support and an extended position extending substantially horizontally from the support. Chains are used for suspending a boat from the arms. Hydraulic activation cylinders with accompanying guide track are used for moving the arms between the extended position and the stored position.
Read the whole patent
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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.