Vibratory storage pile discharger means
CA 1182788 A · Owner: Vibranetics, Inc. · Inventors: Plummer, Virgil C. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides improved vibratory storage pile discharger means for promoting the downward flow of material from a storage pile of a flowable material, such as coal, limestone, woodchips sulphur and the like, through, an opening in a generally horizontal surface on which the pile is supported and into another area located beneath that pile-supported surface. Basically the improved means provided by the present invention comprises: (a) an inverted hollow frustoconical conduit member generally vertically arranged within the opening in the pile-supporting surface with its long central axis concentrically aligned with that of the opening and having its wider upper inlet end supported by …
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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
- Granted February 19, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 2002.
- 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.