Liquid cooled nozzle
CA 2123653 C · Owner: Langs, Thomas E. · Inventors: Langs, Thomas E.; Strelbisky, Michael J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid cooled nozzle for emitting a medium has a housing with a coolant inflow chamber having a first side wall for attachment to a coolant inflow pipe, and a coolant outflow chamber having a second side wall for attachment to a coolant outflow pipe and a base merging with the second side wall. The second wall is spaced from and surrounds the first wall and, the said base is spaced from the coolant inflow chamber and is beneath the coolant inflow chamber. At least two supply ports are provided for conducting the medium through the nozzle the supply ports being, laterally spaced from one another to define a central axis between the ports and extending through the coolant inflow chamber the …
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 16, 1994 and granted May 14, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 16, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 16, 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.