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Expired Canadian patentCanada

Multiple point feeder

CA 1086252 A · Owner: Foster Wheeler Energy Corporation · Inventors: Trozzi, Norman K.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

Abstract of the Disclosure A material handling system for distributing granular solids from a single source to a plurality of distribution points in which a plurality of selectively adjustable leveling bars control the thickness of a layer of material on a conveyor and a, plurality of arcuate-shaped guide chutes divert the material from the conveyor to the plurality of distribution points. The guide chutes are positioned longitudinally along the sides of the conveyor and their lateral positions are selectively adjustable relative thereto. The cooperative relationship among the height of the leveling bars, the lateral position of the guide chutes and the speed of the conveyor determines the …

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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 September 23, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 21, 1977
GrantedSeptember 23, 1980
Term endedSeptember 23, 1997
Patent numberCA 1086252 A
Classification (IPC)B65G47/76 +1 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedOct 21, 1977Patent grantedSep 23, 1980Term endedSep 23, 1997

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.