Short scale for weighing railway vehicles
CA 1063136 A · Owner: Canadian National Railway Company · Inventors: Thivierge, Jacques; Cass, George R.; Scott, J. Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A weighing apparatus for weighting a load movable along at least one track rail such as a railroad car. Previous weighing apparatus of this type generally require a concrete base to provide the necessary rigidity for accurately weighing a railroad car. The weighing apparatus according to the present invention includes a pair of parallel weigh rails supported from and longitudinally interposed in a gap in the track rail adjacent to the weigh rail, a splice bar assembly for retaining each weigh rail in longitudinal alignment with the track rail, and a strain gauge load cell interposed between the weigh rail and the assembly supporting the weigh rail for, providing a signal indicative of the …
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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 25, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 25, 1996.
- 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.