Pole climbing spurs
CA 1301219 C · Owner: Greenway, Peter · Inventors: Greenway, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There has been very little improvement in pole climbing devices over the past one hundred years. A relatively simple, electrically insulating pole climbing device includes a solid, one-piece sole plate for attachment to the bottom of a boot or shoe, a side bar pivotally connected to one side of the sole plate for extending upwardly therefrom and carrying a top strap for connecting the device to the calf of a user, a metal gaff mounted on the side bar for engaging a pole, and an arm extending upwardly from the other side of the sole plate and carrying straps for connecting the sole plate to the foot and ankle of the wearer. The combination electrically insulates the gaff from the wearer, so …
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 May 19, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 19, 2009.
- 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.