Centrally articulated swim fin
CA 2230800 A1 · Owner: Cadorette, Ron · Inventors: Cadorette, Ron
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A swim fin is disclosed that comprises a boot portion (2) to receive the foot of a swimmer, a web portion (3), and a pair of side members (4). Each of the side members have an upper and lower arm and an upper and lower end. The lower ends of the side members are attached to opposite sides of the web portion while the upper ends of the side membrs attached to leg engaging means (7). A pivot means (8) connects the side members to the boot portion and permits the side members and the web portion to rotate about the boot portion such that when the leg engaging means is attached to the lower leg of a swimmer the web portion is pivoted to a position approximately parallel to the swimmer's …
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
- Filed August 13, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 13, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 13, 2019.
- 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.