Static sieve feed control
CA 1313145 C · Owner: Connolly, James D. · Inventors: Connolly, James D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure In a static sieve assembly having a housing for mounting a sieve or screen, a feed box having a discharge spout for feeding material tangentially to and across the sieve a side of the spout, having flexibly connected fixed upper and movable lower parts and, an actuator on said feed box and acting on said lower part for controlling the rate of feed to the sieve by varying the area of a discharge opening of the spout.
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 January 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 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.
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.