Multi-conductor soft heating element
CA 2345328 A1 · Owner: Gurevich, Arthur · Inventors: Kochman, Arkady; Gurevich, Arthur
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A soft heating element (1) utilizing individually insulated electrically conductive carbon (6) or metal containing threads/fibers of metal wires that are woven together with nonconductive threads into sheets, sleeves or strips. , The individually insulated conductive threads/fibers or metal wires (2) can be laminated between layers of nonconductive insulation (14). Nonconductive polymer insulation (14) can be extruded around the non-insulated electrically conductive threads/fibers or metal wires to form strips sheets or , sleeves/pipes. The electrode conductors (9) are attached to said heating element core (1), which is connected in parallel or in series. The heating element core (1) …
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 September 24, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 24, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 24, 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.