Expired Canadian patentCanada
Suspended flexible membrane storage silo and article dispenser
CA 1311897 C · Owner: Mcguire, Michael · Inventors: Mcguire, Michael
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Provided is a bulk storage silo defined by a frame and having a flexible fabric liner, internal load distribution control, vibratory discharge and helicoptertype content spreaders.
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 December 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 29, 2009.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 21, 1989
GrantedDecember 29, 1992
Term endedDecember 29, 2009
Patent numberCA 1311897 C
Classification (IPC)B67D7/06 +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.