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Expired Canadian patentCanada

Clamp, anchoring element and fastening arrangement for rails

CA 1332829 C · Owner: Eisenberg, Helmut · Inventors: Beste, Achim; Vorderbruck, Dirk; Von Heimburg, Henning

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 invention describes a clamp for rails that is produced from resilient steel bar with multiple bends. The first section (11) of the rail clamp (9, 10) is essentially horizontally arranged whilst the last section (14) rests on the rail flange (5). The second section (12) curves upwards in the vertical plane that passes through the first section (11). The remaining sections of the clamp lie all on the side of the first section that faces the rail. The fastening arrangement comprises an anchoring part (20) where the supporting surface (23) for a supporting section of the clamp (9, 10) is located essentially vertically above the locating hole (24) of the clamp (9, 10). That produces a …

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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 November 1, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 1, 2011.
  • 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 4, 1986
GrantedNovember 1, 1994
Term endedNovember 1, 2011
Patent numberCA 1332829 C
Classification (IPC)E01B9/30

Timeline

Timeline From CIPO dates

198719901993199619992002200520082011Application filedMarch 4, 1986Patent grantedNov 1, 1994Term endedNov 1, 2011

Sources & verification

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