Portable ice resurfacing device
CA 2277190 A1 · Owner: Fox, Louis H. · Inventors: Fox, Paul G.; Fox, Louis H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable and ice resurfacing device including an integrally constructed body having a first upper reservoir capable of storing a volume of water. A water dispensing bar extends in a generally horizontal and lengthwise fashion and is mounted within an open and lower-most location of said body proximate an ice-covered surface. A handle extends from the body and is capable of being grasped by a user to translate the body across the ice-covered surface in, a drag-along fashion. The water dispensing bar is in fluid communication with the stored volume of water and is separated by a flow valve. The flow valve is actuated by a lever secured to the handle and a cable extending from the lever, …
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 July 7, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 7, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 7, 2021.
- 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.