Snow gun for making artificial snow
CA 2276016 C · Owner: Mckinney, Vernon Lorne · Inventors: Mckinney, Vernon Lorne
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a snow gun, each of air and water are discharged through V jet nozzles in the form of generally flat and V-shaped jets or sprays. The nozzles are spacially, positioned and angled so that the air jet intersects the water spray along a line of, intersection where they are of equal width. This provides efficient atomization of the, water with the result that snow can be made at milder freezing temperature. In another aspect, a flanged connection, having dual sealed openings for passage therethrough of pressurized air and water streams is provided to join the gun , and its, supporting tower. In another aspect the snow gun has a plurality of , associated intersecting water sprays and air …
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 October 30, 1995 and granted October 10, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 30, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 2017.
- 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.