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Expired Canadian patentCanada

Powered mobile storage system with select and drag operation and selectable aisle width feature

CA 2721189 C · Owner: Spacesaver Corporation · Inventors: Muth, James C.; Mchenry, William B.; Tourdot, Matthew A.

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

The present invention is a mobile storage system that includes a number of mobile storage units movably disposed with respect to one another and including a logic system. A signal from a motion control actuator on a mobile storage unit which is to move where an aisle is desired directs a run signal to at least one unit to cause one or multiple units to be driven successively away from a desired aisle. If multiple units are moved together a motion control actuator on the unit adjacent the closing aisle is operated to move the actuated unit and the other units. The logic system remembers and maintains each new open aisle width and closed aisle width after the termination of a particular …

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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 March 3, 2006 and granted March 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 3, 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.
FiledMarch 3, 2006
GrantedMarch 25, 2014
Term endedMarch 3, 2026
Patent numberCA 2721189 C
Classification (IPC)B65G1/00 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMarch 3, 2006Patent grantedMarch 25, 2014Term endedMarch 3, 2026

Sources & verification

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