System and method for a two piece spray nozzle
CA 2461000 A1 · Owner: Py, Daniel · Inventors: Py, Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aerosol tip mechanism for an aerosol-type dispenser has a flexible outer shell (40), a rigid cap portion (20) composed of lower and upper portions and , a rigid nozzle portion (24) having a rigid shaft (28) received within the outlet portion of the flexible outer shell (40) forming a normally-closed one-, way valve (35). The lower and upper portions of the rigid cap portion (20) form boots (303) adapted to receive an outlet portion of the outer shell (40) the boots (303) thereby constraining a lateral motion of the outlet portion of the outer shell (40), and symmetrically centering the outlet portion around the rigid shaft (28) of the nozzle. The rigid nozzle portion (24) includes 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 September 20, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 20, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 20, 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.