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Testers, Inc.

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Records under this name other than patents Testers, Inc. 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 7,036,595Removal of tubulars from wells
Term ended
Term ended Sep 19, 2022 · From the USPTO record
Term endedTerm ended Sep 19, 2022From the USPTO record
US 6,578,635Lining removal method, system and components thereof
Term ended
Term ended Oct 5, 2020 · From the USPTO record
Term endedTerm ended Oct 5, 2020From the USPTO record
US 6,186,234Removal of lining from tubing
Term ended
Term ended Jun 2, 2020 · From the USPTO record
Term endedTerm ended Jun 2, 2020From the USPTO record
US 6,213,210Removal of lining from tubing
Term ended
Term ended Feb 23, 2019 · From the USPTO record
Term endedTerm ended Feb 23, 2019From the USPTO record
US 6,568,489Apparatus and method for downhole lubrication replenishment
Lapsed on the fee record
Ended May 27, 2015 · From the USPTO record
Lapsed on the fee recordEnded May 27, 2015From the USPTO record
US 5,174,374Clean-out tool cutting blade
Term ended
Term ended no later than Dec 29, 2012 · Low confidence
Term endedTerm ended no later than Dec 29, 2012Low confidence
US 5,201,817Downhole cutting tool
Term ended
Term ended no later than Apr 13, 2013 · Low confidence
Term endedTerm ended no later than Apr 13, 2013Low confidence
US 5,242,017Cutter blades for rotary tubing tools
Term ended
Term ended no later than Sep 7, 2013 · Low confidence
Term endedTerm ended no later than Sep 7, 2013Low confidence
US 5,265,675Well conduit cutting and milling apparatus and method
Term ended
Term ended no later than Nov 30, 2013 · Low confidence
Term endedTerm ended no later than Nov 30, 2013Low confidence
US 5,277,251Method for forming a window in a subsurface well conduit
Term ended
Term ended no later than Jan 11, 2014 · Low confidence
Term endedTerm ended no later than Jan 11, 2014Low confidence
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