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Expired Canadian patentCanada

Cargo handling system

CA 1306437 C · Owner: Brewer, Bruce L. · Inventors: Brewer, Bruce L.

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

A system for transporting cargo between a storage area and a cargo carrier. The system includes a bridge (13) and boom (15) spanning between the storage area and the cargo carrier. A first elevator (14) is located at one end of the bridge (13) proximate to the storage area. A second elevator (16) is located at the distal end of the boom (15) positionable relative to the cargo carrier. Trackways (20 21, 22 and 23) along the bridge (13) and boom (15) interconnect the first and second elevators (14 and 16). Independent cars (24) are provided to carry the cargo. Each car (24) is movable on the first and second elevators (14 and 15) and further along the trackways (20 21, 22 and 23).

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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 August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 2009.
  • 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 26, 1988
GrantedAugust 18, 1992
Term endedAugust 18, 2009
Patent numberCA 1306437 C
Classification (IPC)B65G63/04 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedOct 26, 1988Patent grantedAug 18, 1992Term endedAug 18, 2009

Sources & verification

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