Expired Canadian patentCanada
Process and plant for the industrial production of a uniflow of stabilized aggregates from lignocellulosic wastes and facility therefor
CA 1313290 C · Owner: Guidat De Queiroz, Claudine · Inventors: Guidat, Gilbert; Guidat De Queiroz, Claudine
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 February 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 2, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 23, 1988
GrantedFebruary 2, 1993
Term endedFebruary 2, 2010
Patent numberCA 1313290 C
Classification (IPC)B27M1/08 +2 more
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.