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Expired Canadian patentCanada

Multistory parking garage

CA 1284417 C · Owner: Matoba, Nobuhito · Inventors: Matoba, Nobuhito

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 multistory parking garage has a central core defined by four vertical columns, and a plurality of pairs of columns, each pair defining a plane parallel to the plane defined by pairs of vertical columns defined bays containing vertically spaced parking cells, each cell adapted to hold two vehicles. An elevator is contrained to move only vertically within the central core, is enterable from any of four directions, and is capable of carrying two vehicles at a time, preferably in a nose to tail orientation.

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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 May 28, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 28, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 14, 1987
GrantedMay 28, 1991
Term endedMay 28, 2008
Patent numberCA 1284417 C
Classification (IPC)E04H6/12

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJan 14, 1987Patent grantedMay 28, 1991Term endedMay 28, 2008

Sources & verification

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