Helmet visor cover
CA 2308086 A1 · Owner: Witvoet, Chris · Inventors: Witvoet, Chris
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A helmet visor protector is disclosed for protecting the helmet visor of a helmet. The cover, consists of a tubular band made of a resilient stretchable material. The tubular band has opposite, ends, an internal diameter and a width. The internal diameter of the band is selected to be less, than the diameter of the helmet but sufficient to permit the band to cover over the visor when the, band is stretched over and onto the helmet. The width of the band is likewise selected to, completely cover the visor when the band is stretched over and onto the helmet.
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 May 10, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 10, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 10, 2022.
- 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.