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Expired Canadian patentCanada

Feeder for shape unstable articles

CA 1310342 C · Owner: Joa (Curt G.), Inc. · Inventors: Miley, Guy M.; Mcguire, Daniel J.

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

A feeder for shape unstable articles such as pads for absorbing body fluids has an upright hopper having top and bottom openings for receiving and discharging pads. First and second rotationally driven upper pulleys having a plurality of round belt receiving grooves in their peripheries are mounted adjacent the bottom opening of the hopper on opposite sides of the vertical center line of the hopper. Third and fourth idler pulleys are arranged in laterally spaced apart relationship and symmetrical to the center line of the hopper at a lower level than the first and second pulleys. Because the lower pulleys are closer to each other than the upper pulleys, the belts converge toward each other …

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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 November 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 17, 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.
FiledSeptember 22, 1989
GrantedNovember 17, 1992
Term endedNovember 17, 2009
Patent numberCA 1310342 C
Classification (IPC)B65G59/06

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedSep 22, 1989Patent grantedNov 17, 1992Term endedNov 17, 2009

Sources & verification

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