Fire retardant delivery system
CA 2408944 A1 · Owner: Ruebusch, Gregory P. · Inventors: Edwards, Paul C.; Ruebusch, Gregory P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fire extinguishing and fire retarding method is provided comprising the step of confining a fire extinguishing and fire retarding agent in slurry liquid , or gaseous form (11) within a shell (10) wherein the shell (10) comprises such an agent in solid form. An agent such as ice water or liquid dioxide is , useful when employing the shell (10) as "non-lethal" device. The solid shell (10) is sublimable and will burst upon impact or upon exposure to the environmental conditions at the target site to release the contents of the shell (10) as well as the fragments of the shell onto the target site.
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 May 18, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 18, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 18, 2023.
- 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.