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Expired Canadian patentCanada

Mass rapid transit system

CA 1049847 A · Owner: Lee, Averette T. · Inventors: Lee, Averette 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 rapid transit system which transports people and articles including automobiles, small trucks and the transit routes. The transit vehicle is a unitary self-, supporting structure which is transported and guided by spaced sets of wheels mounted and turning on pylons. The transit vehicle is compartmented into cubicles in one rigid structure which could be approximately 21 feet wide by 60 feet high and 1,500 to 2,000 feet long. The pylon construction supports the transit vehicle above the right of way property, typically at a minimum height of approximately 60 feet. Each pylon includes an upper power frame assembly having a large wheel for supporting and four smaller wheels for guiding the …

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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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 6, 1979
Term endedMarch 6, 1996
Patent numberCA 1049847 A
Classification (IPC)E01B25/12

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 6, 1979Term endedMarch 6, 1996

Sources & verification

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