Whistle with cushioned mouthpiece
CA 2355449 A1 · Owner: Fox 40 International Inc. · Inventors: Hills, Graham; Orzel, Steve; Foxcroft, Ronald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A whistle has a mouthpiece which is cushioned to minimize damage to the whistle and improve the, comfort and safety of a user. The cushioning material is preferably injection moulded into a sleeve, which locates between ridges integrally moulded with the whistle body. The body also has a, plurality of projections for mating with the cushioning material. A web in an air inlet passage, strengthens the mouthpiece to prevent collapse or fracture of the mouthpiece.
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 August 17, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 17, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 17, 2023.
- 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.