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Expired Canadian patentCanada

Conveyor system used with apparatus for unloading comminuted materials

CA 1249237 A · Owner: Miller Formless Co. Inc. · Inventors: Miller, Charles P.

CIPO record

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Abstract From the Canadian patent

The invention consists of conveyor system that receives comminuted material from an unloading apparatus discharges the material on a conveyor and transports it to a storage, handling or other transport system. The system provided includes a discharging apparatus and a conveyor apparatus. The conveyor apparatus comprises an elongate conveyor housing having an elongate opening a conveyor, belt disposed in the housing and a flexible belt cover, overlying the opening of the housing in covering engagement. The discharging apparatus comprises a top receiving section connected to an unloading apparatus a, lower shroud overlying the opening of the conveyor housing and two discharging chutes …

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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 January 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 24, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 11, 1985
GrantedJanuary 24, 1989
Term endedJanuary 24, 2006
Patent numberCA 1249237 A
Classification (IPC)B65G47/44 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedFeb 11, 1985Patent grantedJan 24, 1989Term endedJan 24, 2006

Sources & verification

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