Lifesaving craft
CA 1258405 A · Owner: Kraft, Urban · Inventors: Kraft, Urban
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lifesaving craft comprises a flat-bottomed elongate buoyant structure which on its lower side is free from projections and on its upper side has a number of grab means and means for keeping a person in distress on the craft. At least at one of its two opposite ends the craft has two projections extending in prolongation of the sides of the craft, between which projections a preferably gently curved recess is provided to receive and center the person in distress when he is taken up on the craft.
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 August 15, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 15, 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.
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.