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Expired Canadian patentCanada

Power collection apparatus for a vehicle

CA 1193680 A · Owner: Aeg Westinghouse Transportation Systems, Inc. · Inventors: Culver, Frank R.

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 transportation vehicle power collector apparatus is operative with a power rail having position changes and misalignments in relation to that vehicle travel path and includes a power collector shoe movable in each of three cartesion coordinates to maintain electrical contact with the power rail.

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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 September 17, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 8, 1982
GrantedSeptember 17, 1985
Term endedSeptember 17, 2002
Patent numberCA 1193680 A
Classification (IPC)B60L5/36 +2 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedNov 8, 1982Patent grantedSep 17, 1985Term endedSep 17, 2002

Sources & verification

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