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Expired Canadian patentCanada

Overhead crane with rotatable jib and travelling hoist attached thereto

CA 2615871 C · Owner: Mhe Technologies, Inc. · Inventors: Waisanen, Steven K.

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

An overhead crane adapted to be supported by at least one main support beam includes a bridge adapted to travel in a substantially horizontal direction along the at least one main support beam a trolley adapted to travel in a , substantially horizontal direction along the bridge a jib rotatably coupled , to a bottom surface of the trolley and a hoist adapted to travel in a , substantially horizontal direction along the jib.

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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 21, 2005 and granted June 11, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 21, 2025.
  • 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 21, 2005
GrantedJune 11, 2013
Term endedJuly 21, 2025
Patent numberCA 2615871 C
Classification (IPC)B66C17/00

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 21, 2005Patent grantedJune 11, 2013Term endedJuly 21, 2025

Sources & verification

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