Tobacco processing pneumatic alignment method and apparatus
CA 2002306 A1 · Owner: Gooden, Eldon · Inventors: Gooden, Eldon; Gooden, Eldon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A conveyor system for automatically orienting a majority of tobacco leaves received thereby in a lengthwise direction so that their stems are substantially parallel to a final direction of conveyance. Tobacco leaves to be oriented are delivered by means of a high speed belt to a pneumatic processing apparatus in the form of a rotary screen assembly. The rotary screen assembly includes a broad perforated or open meshed screen which is driven in a downward and preferably vertical direction at its front side. The rotary screen is mounted adjacent and operatively coupled to a device for generating an air current through the screen such that the air holds articles to be oriented on the front …
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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 November 6, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2011.
- 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.