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Expired Canadian patentCanada

Container bag

CA 1333273 C · Owner: Futerman, Charles S. · Inventors: Futerman, Charles S.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A method of making an intermediate bulk container having zones for the attachment of lifting loops from a fabric having eight such zones with lifting loops attached to the zones comprises attaching the opposite selvedges of the fabric together and then attaching the base to complete the bag. The zones are arranged in four pairs with a zone of one of the pairs being adjacent to one of the fabric selvedges. The side seam of the bag so made is thus spaced from its adjacent corner. This means that all four lifting loops can be attached to the fabric while it is still in the flat state since no lifting loop has to cross the seam in the finished intermediate bulk containers. This form of …

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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 29, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 29, 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 11, 1989
GrantedNovember 29, 1994
Term endedNovember 29, 2011
Patent numberCA 1333273 C
Classification (IPC)B65D88/16

Timeline

Timeline From CIPO dates

19901993199619992002200520082011Application filedMay 11, 1989Patent grantedNov 29, 1994Term endedNov 29, 2011

Sources & verification

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