Cotton candy making machine
CA 2345851 A1 · Owner: Handa, Koichiro · Inventors: Handa, Koichiro; Bandou, Tadanori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cotton candy making machine has a rotary pot having a rotation axis associated with a driving means, where a heater is included to heat sugar provided as a raw material and release the heated sugar in the form of flosslike, threaded sugar from the rotary pot to the outside by rotating the rotary pot around the rotation axis by a rotary motion of the driving means; a basin to be, rotated together with the rotary pot in which the rotary pot is , concentrically arranged; a raw material supplying means for supplying the sugar into the rotary, pot; and a floss taking-up means that rotates around its rotation axis in a predetermined direction to take up floss-like threaded sugar released from …
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 April 24, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 24, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 24, 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.