Nozzle to dispense active material
CA 2302575 A1 · Owner: Musiel, D. James · Inventors: Musiel, D. James; Bartlo, Allen M.; Gatzemeyer, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein are nozzles connectable to a hose or other fluid supply. The nozzles can store an active material such as an insecticide and then dissolve it into the water from the hose. The nozzle has an elongated cylindrical outer housing (11). A sleeve (12) is positioned in the housing which stores the active material. An interaction between a cap (13) and a valve controls the valve on/off operation and also a rinse by-pass in response to rotation of the housing relative to a knob (10). After the liquid passes into the sleeve it , travels a serpentine path before it reaches the outlet of the housing. This along with a particle trap and a swirl chamber provides a relatively , …
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 4, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 4, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 4, 2020.
- 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.