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Expired Canadian patentCanada

Suspension system for an overhead contact wire for electric traction vehicles

CA 1211805 A · Owner: Delachaux (C.) · Inventors: Ruellan, Andre

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 suspension system for an overhead contact wire for electric traction vehicles has a carrier cable with its mid point connected to a support and having each of its ends connected to respective clamps. The clamps comprise a jaw assembly including a generally cylindrical housing fitted with inwardly directed teeth on its inside surface the, housing receiving an angularly adjustable link member which includes an angle-determining portion provided with complementary teeth and interfitting with the teeth of the housing. The link member may be moved axially into and out from the toothed housing so that it may be set in different angular positions therein, thereby changing the location of a point …

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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 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 23, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 5, 1983
GrantedSeptember 23, 1986
Term endedSeptember 23, 2003
Patent numberCA 1211805 A
Classification (IPC)B60M1/24

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedDec 5, 1983Patent grantedSep 23, 1986Term endedSep 23, 2003

Sources & verification

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