Igniter shields
CA 2398947 A1 · Owner: Hamel, Scott M. · Inventors: Hamel, Scott M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An igniter for use in industrial and domestic gas burning appliances is disclosed. One embodiment of the igniter includes an igniter element disposed on the longitudinal axis of a tubular shield. The shield includes at least one open slot formed therethrough for providing a passageway through which gas and air can flow, thereby forming one or more open spiral patterns in the tubular shield. Another embodiment of the igniter includes an igniter element disposed on the longitudinal axis of a spiral coil. Still another embodiment of the igniter includes an igniter element disposed on the lontigudinal axis of a ceramic, cylindrical sleeve. The sleeve includes at least one hole formed …
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 February 3, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 3, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 3, 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.