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Expired Canadian patentCanada

Bottle construction

CA 1249551 A · Owner: Molson Canada 2005 · Inventors: Ghosh, Asim; Toukmanian, Aram H.

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 bottle includes a mouth and a neck adjoining the mouth. The neck has helical ribs on the outside to permit application of a peripherally indented screw-on, crown. The main body of the bottle has a base which is, provided with an upward recess. A plurality of inwardly projecting ribs is provided around the periphery of the recess, each rib being convexly rounded and devoid of points, and having two concavely rounded shoulder portions on either side, so that stress concentration is minimized. The recess is sized to receive a peripherally indented crown of the same size as that receivable on the neck, so that the ribs register in at least some of the peripheral indentations. Thus one, bottle …

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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 January 31, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 31, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 3, 1987
GrantedJanuary 31, 1989
Term endedJanuary 31, 2006
Patent numberCA 1249551 A
Classification (IPC)B65D3/26 +1 more

Timeline

Timeline From CIPO dates

1988199019921994199619982000200220042006Application filedMarch 3, 1987Patent grantedJan 31, 1989Term endedJan 31, 2006

Sources & verification

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