Dispensing system with an internal releasable shipping seal and an extended tip containing a pressure openable valve
CA 2403076 A1 · Owner: Gross, Richard A. · Inventors: Gross, Richard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dispensing system (30) is provided for dispensing a product from a container having an opening. The dispensing system includes a spout (38) for communicating with the container opening. The spout (38) defines at least one discharge aperture (46), a distal seal surface (54) located distally of the discharge aperture, and a proximal seal surface (56) located on the exterior fo the spout (38) proximally of the discharge aperture (46). A nozzle assembly (60, 70, 80) is mounted on the spout (38) for movement between a retracted closed position and an extended, open position. The nozzle assembly (60 70, 80) includes a nozzle (60) having a dispensing passage (86) around at least a portion …
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 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 2023.
- 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.