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Expired Canadian patentCanada

Mould arrangement for a cyclicly operating glassware forming machine

CA 1215542 A · Owner: Emhart Glass S.A. · Inventors: Foster, Thomas V.

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 mould arrangement comprises two supports which support movable side portions of a mould and two plenum chambers each associated with one of the supports and movable therewith. Each plenum chamber extends above the mould side portion without obstructing an upwardly-opening entrance to the mould and has one or more exits which communicate with entrances of cooling passages formed in the side portion. Air supplied to the plenum chambers passes through the exits into the cooling passages and serves to cool the side portions.

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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 December 23, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 23, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 18, 1984
GrantedDecember 23, 1986
Term endedDecember 23, 2003
Patent numberCA 1215542 A
Classification (IPC)C03B9/35 +1 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedDec 18, 1984Patent grantedDec 23, 1986Term endedDec 23, 2003

Sources & verification

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