Ear flaps for helmets
CA 2515152 A1 · Owner: Whelen, Garth W. · Inventors: Whelen, Garth W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Eear flap/warmers (1) found in sporting helmets (2) allow the wearer to connect to and utilize external audio (stereo) reproduction and/or 2-way communication devices with added convenience over previous inventions by incorporating a mechanical electrical interconnect (12) located in or by replacing, the helmet chinstrap connection. The user can conveniently don or remove said EAR FLAPS (1) equipped helmet by disconnecting and reconnecting said interconnect. Added convenience to EAR FLAPS (1) can be providedby use of multifunct ional chinstrap connection mechanical electrical interconnects (12) providing the benefits of the electrical interconnect (12) with the functioning to …
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 November 27, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 27, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 27, 2024.
- 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.