Atomizing pump
CA 1323618 C · Owner: Pennaneach, Herve · Inventors: Ostrowsky, Efrem M.; Moore, David G.; Lina, Jean-Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A finger-operated pump is provided with a pump chamber and a fixed supply conduit communicating with the pump chamber. A movable sealing conduit is adapted to slidably and sealingly engage the supply conduit in a telescoping relationship. A primary piston is operably disposed in the chamber and defines a discharge passage out of the pump chamber. A poppet having a primary valve means for occluding the discharge passage is biased against the primary piston by a spring. The poppet has a secondary valve means for occluding flow through the sealing conduit that engages the poppet through a lost motion arrangement which is defined in part by the spring and which permits a limited degree of …
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
- Granted October 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 2010.
- 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.