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Prolizenz Aktiengesellschaft

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Records under this name other than patents Prolizenz Aktiengesellschaft holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 3,953,247Method for heat treatment of material to be worked on, especially of aluminium or magnesium alloys
Term ended
Term ended no later than Apr 27, 1996 · Low confidence
Term endedTerm ended no later than Apr 27, 1996Low confidence
US 4,049,250Crucible
Formerly held
Term ended
Term ended no later than Sep 20, 1997 · Low confidence
Term endedTerm ended no later than Sep 20, 1997Low confidence
US 4,052,153Heat resistant crucible
Term ended
Term ended no later than Oct 4, 1997 · Low confidence
Term endedTerm ended no later than Oct 4, 1997Low confidence
US 4,055,391Crucible
Term ended
Term ended no later than Oct 25, 1997 · Low confidence
Term endedTerm ended no later than Oct 25, 1997Low confidence
US 4,073,355Crucible
Term ended
Term ended no later than Feb 14, 1998 · Low confidence
Term endedTerm ended no later than Feb 14, 1998Low confidence
US 4,135,704Method and apparatus for heat treatment of material to be worked on, especially of aluminum alloys or magnesium alloys
Term ended
Term ended no later than Jan 23, 1999 · Low confidence
Term endedTerm ended no later than Jan 23, 1999Low confidence
US 4,159,891Crucible
Term ended
Term ended no later than Jul 3, 1999 · Low confidence
Term endedTerm ended no later than Jul 3, 1999Low confidence
US 4,212,451Installation for the production of continuously cast billets
Formerly held
Term ended
Term ended no later than Jul 15, 2000 · Low confidence
Term endedTerm ended no later than Jul 15, 2000Low confidence
US 4,217,947Process for the delivery of molten metal to a caterpillar type mold
Formerly held
Term ended
Term ended no later than Aug 19, 2000 · Low confidence
Term endedTerm ended no later than Aug 19, 2000Low confidence
US 4,245,818Apparatus for heat treatment of material to be worked on, especially of aluminum or magnesium alloys
Term ended
Term ended no later than Jan 20, 2001 · Low confidence
Term endedTerm ended no later than Jan 20, 2001Low confidence
10 of 11 patents shown.
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Pro members: see all 11 patents
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