Method of converting a hopper type of rail car to accept a wider outlet gate
CA 1307102 C · Owner: Signal Capital Corporation · Inventors: Miller, Roy W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method of converting a hopper type of rail car to accept a wider outlet gate permits existing cars which are in over-supply to be made useful. The method requires that the opposed pairs of side slope sheets of the original car, and the opposed pairs of center and end slope sheets which are joined to them to form the bottom portions of the hoppers be cut apart. One of the, pairs of slope sheets then has its width reduced at its lower end portion while the lower end portions of the other pair of slope sheets are cut away and replaced by new slope sheet portions which are of greater width than the original portions. After the mounting flanges for the original outlet gates are removed, new …
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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 8, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 8, 2009.
- 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.