Aerosol generator having heater arranged to vaporize fluid in fluid passage between bonded layers of laminate
CA 2469408 C · Owner: Reddy, Sirisha P. · Inventors: Sprinkel, Murphy F. Jr; Cox, Kenneth A.; Sowers, Scott A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aerosol generator (10) includes a fluid supply which supplies fluid to a fluid passage (16) and a heater (24) which heats the fluid into a gaseous state, the fluid passage being located between opposed layers of a laminate. The fluid passage can be a capillary sized passage formed by locating a mandrel between opposed layers of the laminate bonding the layers together , and removing the mandrel such that the space previously occupied by the mandrel forms the fluid passage. The opposed layers of the laminate can be copper sheets and ceramic layers can be provided on the outside of the copper layers. The aerosol generator can be used to generate aerosols containing medicated …
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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 December 4, 2002 and granted January 28, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 4, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 4, 2024.
- 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.