Spraying devices, in particular nebulizing devices
CA 1045489 A · Owner: Babington, Robert S. · Inventors: Babington, Robert S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A relatively simple gas powered nebulizer device which is capable of producing very fine sprays suitable for human inhalation and which utilizes the principles disclosed in Babington et al, U.S. Patents Nos. 3,421,692 and 3,421,699 both issued January 14, 1969 comprises a spherically shaped plenum on the outer surface of which a liquid film is formed pressurized gas which is supplied to the interior of the plenum exiting through an aperture in the plenum to atomize the liquid film passing over the aperture. The device is provided with openings in the path of the gas exiting from the plenum aperture, ambient air being drawn in through these openings for comingling with the atomized liquid.
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 January 2, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 1996.
- 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.