Heat management system for industrial safety equipment
CA 2486633 A1 · Owner: Alvey, Jeffrey A. · Inventors: Alvey, Jeffrey A.; Fecteau, Keith E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heat management system for industrial safety equipment is described including an industrial safety article (e.g. a full face respirator) a power , source and a fan unit, wherein the fan unit is mounted on the industrial safety article such that the fan directs air within a confined or other interior space of the industrial safety article and wherein the fan unit is , powered by the power source.
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 21, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 21, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 21, 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.