Aerosol dispenser
CA 1080673 A · Owner: Carter-Wallace, Inc. · Inventors: Lazar, John; Shea, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
By: John Lazar Frank Shea, For: Aerosol Dispenser, ABSTRACT OF THE DISCLOSURE An improved aerosol dispenser which includes a flammable propellant vapor phase and a liquid phase containing liquid flammable propellant and ingredient to be dispensed wherein the aerosol container contains means for controlling the relative proportions of vapor and liquid phase dispensed therefrom, whereby the ratio of gas propellant to liquid propellant in the dispensed spray provides a non-flammable spray. The relative proportions are controlled by increasing the size of the vapor tap orifice with respect to the liquid phase orifice whereby the ratio of the diameter of the vapor phase orifice to the diameter …
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 July 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 1997.
- 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.