Patent Yard Sign in
Expired Canadian patentCanada

Feed mixer

CA 1263643 C · Owner: Mohrlang, Harry · Inventors: Mohrlang, Harry

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A feed mixer for cattle and other livestock. The mixer includes a mixing tank with two main chambers on either side of an auxiliary chamber. Rotors in the general shape of paddle wheels are mounted in each main chamber. The mixing paddles of each rotor are elongated and extend between corresponding sections of the rotor with the axis of each paddle offset from the rotational axis of the rotor by about 15 degrees. In this manner, the mixing paddles give a slight axial component of movement to the feed as it is being mixed. The paddles of each rotor are preferably operated out of phase with those of the other rotor wherein portions of the feed are alternately transferred across from one main …

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 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 5, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 15, 1987
GrantedDecember 5, 1989
Term endedDecember 5, 2006
Patent numberCA 1263643 C
Classification (IPC)B01F7/04 +2 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedJuly 15, 1987Patent grantedDec 5, 1989Term endedDec 5, 2006

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.