Smoking device
CA 1292406 C · Owner: Gill, Beresford Roy · Inventors: Garrett, Stephen John; Gill, Beresford Roy; Bale, Christopher Ralph
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A smoking device for releasing an aerosol into the mouth of a smoker comprises in combination. a chamber into which a mixture of air and a liquid aerosol precursor is introduced a heat source surrounding the, chamber a first duct providing communication between the chamber and a smoker's mouth, whereby the contents of the chamber may be drawn into the smoker's mouth, a container for the aerosol precursor a second duct, means leading from the aerosol precursor container into the chamber. whereby aerosol precursor may pass from said container into the chamber and a third duct means providing communication between ambient air and the chamber whereby ambient air may be drawn into the chamber by …
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 November 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 26, 2008.
- 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.