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Expired Canadian patentCanada

Heat-shrinkable label sleeve with pleats to prevent wrinkling

CA 1080666 A · Owner: Owens-Illinois · Inventors: Amberg, Stephen W.

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

The disclosure relates to a label on a closured bottle including a pilfer-proof feature. The neck label comprises a secondary closure in the form of a sleeve of a shrinkable oriented thermoplastic material shrunken snugly over the bottle and its closure skirt. The label stock is preprinted in a web and rolled as a supply, the roll width representing the label height. The label stock is (1) scored a partial depth of its thickness extending lengthwise along a line that is at a predetermined height in the final label and (2) pleated transversely at spaced intervals therealong. The pleats are spaced so that a predetermined number thereof appear in each label blank cut from the stock. Label …

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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 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJuly 1, 1980
Term endedJuly 1, 1997
Patent numberCA 1080666 A
Classification (IPC)B65D41/54 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJuly 1, 1980Term endedJuly 1, 1997

Sources & verification

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