Railway rail handling apparatus and method
CA 2561430 C · Owner: W & D Mcculloch · Inventors: Mcculloch, William Francis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to railway rail handling apparatus (10) and a method of handling railway rails using such apparatus. The railway rail handling apparatus (10) is configured for track side operation and comprises ground engaging wheel means (28) and rail moving means (12). The rail moving means (12) is configured to engage a railway rail (80) along part of its length and for its progressive movement longitudinally along the rail as the railway rail handling apparatus (10) moves on the ground engaging wheel means (28). As the rail moving means (12) moves in this fashion the rail moving means is configured to progressively bend the rail (80) laterally of an unbent part of …
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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
- Filed March 24, 2005 and granted June 10, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 24, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.