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Expired Canadian patentCanada

Process used to charge supporting frames in plants for the chemical treatment of panel-like objects in baths, in particular galvanising baths

CA 1324036 C · Owner: Haase, Peter · Inventors: Steger, Horst; Haase, Peter; Kosikowski, Thomas

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

Plate shaped objects to be chemically treated in baths are supplied from a supply stack in a horizontal position on a first station. After a predetermined number of objects has been deposited on a table of lifting device the table is, turned into a vertical position. A transporting device provided with gripper means seizes the vertically oriented object, and transports it along a structure for supporting a plurality of suspension frames to a feeding position at which the object is loaded into an assigned suspension frame. After chemical treatment of the object in the bath the, transporting device receives the object at a transfer point and returns it to a discharging station where it is …

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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 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 5, 1988
GrantedNovember 9, 1993
Term endedNovember 9, 2010
Patent numberCA 1324036 C
Classification (IPC)B05C13/00 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedFeb 5, 1988Patent grantedNov 9, 1993Term endedNov 9, 2010

Sources & verification

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