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Expired Canadian patentCanada

Portable hammermill and attached in-line augered feed table

CA 1080680 A · Owner: Feedmobile · Inventors: Mast, Aquila D.

CIPO record

Overview

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

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Abstract From the Canadian patent

TITLE:, PORTABLE HAMMERMILL AND ATTACHED IN-LINE AUGERED FEED TABLE, A hammermill having a housing defining a grinding chamber and having a rotor employing a plurality of swinging hammers. A generally horizontally disposed feed table having troughs in its bottom supports a pair of rotating augers which rotate in the same direction and feed the material to be processed directly into the rotor and faces of the hammers. The feed table being in line with the plane of the rotor.

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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 July 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJuly 1, 1980
Term endedJuly 1, 1997
Patent numberCA 1080680 A
Classification (IPC)B02C13/28

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJuly 1, 1980Term endedJuly 1, 1997

Sources & verification

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