In-line roller skate guard
CA 2065834 A1 · Owner: Sharp, Charlie · Inventors: Lemay, Rock; Sharp, Charlie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A guard for preventing in-line roller skates from rolling when the user is wearing the skates, consists of an extruded polyvinyl chloride rail which has a longitudinal groove to accept the wheels of an in-line rollerskate. The inside walls of this groove are lined with inward facing teeth which will clamp onto a typical inline roller skate wheel. A retention strap over top of the in-line rollerskate boot will also ensure that the guard stays in place. A wheel chock will be fastened into the longitudinal groove of the rail to prevent for-aft movement of the in-line roller skate within the guard. The in-line roller skate, consists of a three four, or, five wheel combination of varying …
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 April 10, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 10, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 10, 2014.
- 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.