Railroad car hatch cover hinge structure and method for connecting a hatch cover to a railcar
CA 2488683 C · Owner: Fortuna, Rudolph S. · Inventors: Fortuna, Rudolph S.; Gaydos, Christopher C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hinge structure including a universal adapter located toward one end of and for allowing the hinge structure to be pivotally connected to different stationary brackets having differing pivot axes. The universal adapter defines multiple openings disposed in spaced generally parallel relation relative to each other.
Read the whole patent
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 November 30, 2004 and granted January 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 30, 2024.
- 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.