Safety panel for high-efficiency heating by electricity
CA 2390030 A1 · Owner: Cadif Srl · Inventors: Stabile, Aldo; Ceraso, Bruno
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Panel (10) for heating by an electric resistance obtained from a serpentine (55) of highly conductive material formed of a thin continuous strip of constant width, having a high ratio between width and thickness that , generates radiant heat by means of electromagnetic waves placed inside a flat , metal chamber (96) given a hermetic seal by continuous welds (90-95) along all its joins, obtained from a basic rectangular tray-shaped structure (11) and from similarly tray-shaped closing structures (80 81) placed side by side in , the basic structure (11).
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 December 20, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 20, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 20, 2021.
- 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.