Urethane spray gun assembly
CA 2563467 C · Owner: Didonato, Sante · Inventors: Gawne, Brent Robert; Didonato, Sante
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A spray urethane gun assembly having a main body with a bore and a mixing chamber. An elongated spool is longitudinally slidably mounted in the main , body bore and movable between an extended position and a retracted position by an actuator. A first and a second inlet port are formed in the main body and a first and second outlet port are also formed in the main body. A first axially extending fluid passageway is formed in the spool and this first fluid passageway fluidly connects the first inlet port with the first outlet port when the spool is in one of the retracted or extended position and fluidly , connects the first inlet port with the mixing chamber when the spool is in 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 April 6, 2005 and granted March 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 6, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.