Patent Yard Sign in
Expired Canadian patentCanada

Process and device for the preparation of a livestock forage as well as livestock forage prepared by application of the process

CA 879615 A · Owner: Technisch Ontwikkelingsbureau Van Elten N.V. · Inventors: Gerrit J. Van Elten; Johan Wijnveen

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

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 August 31, 1971. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 31, 1988.
  • 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—
GrantedAugust 31, 1971
Term endedAugust 31, 1988
Patent numberCA 879615 A
Classification (IPC)A23K1/16 +2 more

Timeline

Timeline From CIPO dates

197219741976197819801982198419861988Patent grantedAug 31, 1971Term endedAug 31, 1988

Sources & verification

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