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Expired Canadian patentCanada

Self-erecting surge bin

CA 1105227 A · Owner: Astec Industries, Inc. · Inventors: Brock, James D.

CIPO record

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

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Abstract From the Canadian patent

SELF-ERECTING SURGE BIN", ABSTRACT, Self-erecting apparatus for transporting and temporarily storing material such as asphalt; the apparatus includes a surge bin and a drag chute for transporting the asphalt material from a drum plant to the surge bin. The drag chute and the surge bin are pivotally attached to each other and to a flat bed trailer, permitting their simultaneous raising and. lowering by means of a winch apparatus attached by means of cables to the support legs of the surge bin to provide ease of lowering the bin for transportation of the apparatus front one site to another and ease in erecting the bin at a new site. A foldable side panel of the surge bin permits the drag …

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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 21, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 21, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 4, 1980
GrantedJuly 21, 1981
Term endedJuly 21, 1998
Patent numberCA 1105227 A
Classification (IPC)E04H7/30

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Application filedNov 4, 1980Patent grantedJuly 21, 1981Term endedJuly 21, 1998

Sources & verification

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