Patent Yard Sign in
Expired Canadian patentCanada

Vertical bale elevator

CA 1300548 C · Owner: Nielsen, Rudy Botker · Inventors: Checkly, Robert Walter; Nielsen, Rudy Botker

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 vertical bale elevator to transfer bales of hay, straw or the like between the ground and a barn has an elongated frame with two opposing augers mounted on opposite sides of the frame. The frame contains guide means for the bales. The augers are mirror images of one another and rotate in opposite directions to force a bale upward and rearward within a frame. The guide means are arranged to receive a bale in the bottom section and discharge the bale in the top section. The augers are powered by a single power source that can be reversed to move bales down the elevator rather than up. When operating in reverse, it is usually desirable to make changes to the guide means. The middle sections …

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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 23, 1989
GrantedMay 12, 1992
Term endedMay 12, 2009
Patent numberCA 1300548 C
Classification (IPC)B66B9/00 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedJan 23, 1989Patent grantedMay 12, 1992Term endedMay 12, 2009

Sources & verification

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