Sprinkler
CA 2449036 A1 · Owner: Sundholm, Goeran · Inventors: Sundholm, Goeran
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sprinkler comprising a temperature-activated means (1) a housing (2), a , central nozzle (4), a side nozzle (5a 5b), a first channel (9-15-6-12-13) for guiding a medium to the central nozzle and a second channel (9-15-17-14-7a) , for guiding the medium to the side nozzle the second channel being closed , with a spindle means (8) while the sprinkler is in its standby state. To provide a sprinkler for implementing a fire fighting apparatus that extinguishes efficiently at the fire site even though hot combustible gases , were spread far from the fire site to cause the triggering of sprinklers far from the fire site, the spindle means (8) comprises a first spindle part (8a) having a …
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 June 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 18, 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.