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Expired Canadian patentCanada

Narrow bench mining system

CA 2615801 C · Owner: Ugm Addcar Systems, Llc · Inventors: Baird, John A. Jr.; Carr, Ian T.

CIPO record

Overview

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

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Abstract From the Canadian patent

A launch vehicle (10) is provided for a continuous mining system including modular conveyor units (U) that are connected together to form a conveyor train. The launch vehicle (10) includes a main frame (12) for supporting a rearmost conveyor unit (U) of the conveyor train. The main frame (12) includes a first side over which additional conveyor units (U) are added to the conveyor train and a second side. A belly conveyor (14) is carried on the main frame (12). A drive assembly (42) is provided for selectively advancing and withdrawing the conveyor train. Further the launch vehicle (10) includes a canopy (18) overlying the main frame (12). The canopy (18) is mounted on at least one …

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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 July 31, 2006 and granted September 3, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 31, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 31, 2006
GrantedSeptember 3, 2013
Term endedJuly 31, 2026
Patent numberCA 2615801 C
Classification (IPC)E21C37/00

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 31, 2006Patent grantedSep 3, 2013Term endedJuly 31, 2026

Sources & verification

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