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Expired Canadian patentCanada

Collapsible box for trash compacting system

CA 1329181 C · Owner: Andrews, Kenneth Eugene · Inventors: Durbin, James L.; Andrews, Kenneth Eugene; Weingardt, Gary

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

This invention is directed to an improved collapsible box for trash compactors and particularly aircraft trash compactors. The box in constructed from an integrally formed elongated main section having rectangularly shaped front, rear, and bottom panels and a pair of opposing side panels which are secured to continuous flanges hingedly connected to the vertical edges of the front and rear panels and to the horizontal edges of the bottom panel. At least one side panel is provided with a free-standing edge which is adapted to be seated in a guide or securing means or overhang within the compactor chamber which fixes the position of the side panel. A continuous medial fold line is provided at …

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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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 27, 1987
GrantedMay 3, 1994
Term endedMay 3, 2011
Patent numberCA 1329181 C
Classification (IPC)B65D5/32 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMay 27, 1987Patent grantedMay 3, 1994Term endedMay 3, 2011

Sources & verification

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