Aircraft fire fighting trainer
CA 2113975 C · Owner: Ernst, James J. · Inventors: Musto, Dominick J.; Ernst, James J.; Rogers, William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fire fighting trainer for use in training fire fighters to extinguish jet crash fuel fires and the like the trainer includes a supply pipe and control valve a distribution pipe with holes, an open tank with a diffuser being a mixture of water and gravel within which the distribution pipe is disposed so that liquid propane jets out from the holes then passes as vapor bubbles to the diffuser surface then collects as propane vapor on the surface and a gas pilot flame device for lighting the propane vapor to form flames on the diffuser surface. The simulated flames look very similar to jet crash liquid fuel flames.
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 January 21, 1994 and granted April 29, 1997. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 21, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 21, 2016.
- 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.