Method and apparatus for feeding a pulverized material
CA 2494995 A1 · Owner: Valadez-Castillo, Rafael · Inventors: Solis-Martinez, Ivan Jorge; Cabrera-Llanos, Roberto Marcos; Valadez-Castillo, Rafael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus and method are provided for feeding a pulverized material which includes a first storage container (264) for receiving and for discharging a flow of the pulverized material. The apparatus includes a separation chamber (278) attached to the first storage container (264) which is alternatiely , fill up or to empty out with the pulverized material. A second storage container (288) is connected with an outlet of the sepration chamber (278) for alternately filling the second storage container (288) in accordance to a predetermined storage amount of pulverized material. Discharging means (294) are attached to an outlet of the second storage container (288) for continuously …
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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 August 5, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 5, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 5, 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
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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.