Anchoring a railway rail-fastening clip to a foundation for a railway rail
CA 1192531 A · Owner: Pandrol Limited · Inventors: Taylor, Howard P.J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Anchoring a railway rail-fastening clip to a foundation for a railway rail. ABSTRACT OF THE DISCLOSURE An anchoring device for use in anchoring a railway rail-fastening clip to a foundation for a railway rail has a head part, which anchors the clip and is to lie above the foundation, and a tail part which is to lie in the foundation and is in the form of a single vertical rod. At least one vane to resist turning of the device about, its vertical axis has its upper extremity joined to the, bottom of the head part and has one of its sides joined to the upper portion of the tail part, the vane having a vertical length and a horizontal width greater than its horizontal thickness. At least one …
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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 August 27, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.