Seed treater
CA 1048003 A · Owner: Gustafson · Inventors: Weber, Joseph A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Seed treating and conveying apparatus including a screw conveyor with an auger and an auger shaft operating within the auger tuba and driven by a motor an eccentric, or cam rotated in direction relation to the rate of rotation of the auger shaft and operating a reciprocating positive displacement metering pump, the displacement of the impellor rod of the pump being adjustable to vary the quantity of liquid treating material applied to the seed in the auger tube during each revolution of the auger.
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 February 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 6, 1996.
- 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.