Expired Canadian patentCanada
Ceramic/distillable binder compositions
CA 1338150 C · Owner: Howard, Edward George, Jr. · Inventors: Howard, Edward George, Jr.; Tietz, Raymond Frank
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ceramic compositions comprising a, distillable binder shaped articles formed, therefrom and a method for making said compositions and for forming the shaped articles.
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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
- Granted March 12, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 12, 2013.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 15, 1989
GrantedMarch 12, 1996
Term endedMarch 12, 2013
Patent numberCA 1338150 C
Classification (IPC)C04B26/00 +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.