Rail lubrication system
CA 2444494 A1 · Owner: Kast, Philip J. · Inventors: Wollbrinck, James H.; Gedeon, Carl A.; Niemczura, Raymond J. Sr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lubrification system (20) mounted on a railroad locomotive (10) for applying a lubricant (34) to a rail (14). The system comprised of a manifold that defines a generally endless, closed lubricant path. A pump (64) is provided to continuously convey a lubricant along the lubricant path. A reservoir (52) for holding the lubricant defines a portion of the lubricant path. A dispensing nozzle (82) is mounted to the locomotive above each rail for directing the lubricant onto each rail. A metering device is associated with each dispensing nozzle. Each metering device (62) is connected to the manifold and an associated nozzle for diverting a metered amount of the lubricant from 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
- Filed April 8, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 8, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 8, 2024.
- 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.