Apparatus
CA 1049944 A · Owner: Atlantic Richfield Company · Inventors: Uhl, George A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved apparatus for distributing particulate materials over a zone wherein the apparatus is not centrally located with respect to the zone comprising a supply hopper having, an inlet and an outlet, for holding particulate materials a rotatable shaft adapted for connection to a motor to be rotated thereby; and a distributor element supported by the shaft for rotating therewith adjacent the supply hopper outlet wherein the distances between the different points of the supply hopper outlet and the distributor element are varied in a predetermined pattern so that the particulate material is substantially uniformly distributed over the cross-section of the zone.
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 March 6, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 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.