Expired Canadian patentCanada
Process of obtaining a flavouring and colouring extract
CA 51119 A · Owner: Tennant, Joshua · Inventors: Tennant, Joshua; Adelbert Thayer, George
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordRead 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 23, 1896. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 1913.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 30, 1895
GrantedJanuary 23, 1896
Term endedJanuary 23, 1913
Patent numberCA 51119 A
Classification (IPC)—
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.