Safety balance device
CA 2492398 A1 · Owner: Perrier, Carolyn · Inventors: Perrier, Carolyn; Rosborough, Robert B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A balance device includes an elongated board of generally rectangular shape. The board is a molded construction of glass fibers and plastic. An elongated longitudinally and downwardly extending track molded integrally with the central part of the bottom of the board fits in an annular groove around a roller on which the board is supported to pivot about a horizontal axis. A removable stop on the board permits the device to be adjusted to restrict the relative movement between the board and a roller to facilitate learning how to balance the board on the roller. In an alternate embodiment the board , includes a timing mechanism and display mounted on the board for tracking and …
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 June 13, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 13, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 13, 2025.
- 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.