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Pmac Ltd.

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

Showing 1 to 6 of 6 · Back to Pmac Ltd.

PatentTitleStatus Expires Confidence
US 4,232,541Drawing technique
Term ended
Term ended no later than Nov 11, 2000 · Low confidence
Term endedTerm ended no later than Nov 11, 2000Low confidence
US 4,422,783Stamping apparatus having magnetic supporting means
Term ended
Term ended no later than Dec 27, 2003 · Low confidence
Term endedTerm ended no later than Dec 27, 2003Low confidence
US 4,798,368Apparatus for controlled slow cooling of steel tubulars
Term ended
Term ended no later than Jan 17, 2009 · Low confidence
Term endedTerm ended no later than Jan 17, 2009Low confidence
US 4,861,394Controlled slow cooling of steel tubulars
Term ended
Term ended no later than Aug 29, 2009 · Low confidence
Term endedTerm ended no later than Aug 29, 2009Low confidence
US 5,600,990Metal extrusion die stack and method
Term ended
Term ended no later than Feb 11, 2017 · Low confidence
Term endedTerm ended no later than Feb 11, 2017Low confidence
US 5,793,889Plume or combustion detection by time sequence differentiation
Term ended
Term ended no later than Aug 11, 2018 · Low confidence
Term endedTerm ended no later than Aug 11, 2018Low confidence
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