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Micro Lithography Inc.

Also on record
Records under this name other than the patents Micro Lithography Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 2 patents it holds.

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PatentTitleStatus Expires Confidence
US 6,841,317Vent for an optical pellicle system
Term ended
Term ended Aug 27, 2022 · From the USPTO record
Term endedTerm ended Aug 27, 2022From the USPTO record
US 6,566,021Fluoropolymer-coated photomasks for photolithography
Term ended
Term ended Jul 26, 2021 · From the USPTO record
Term endedTerm ended Jul 26, 2021From the USPTO record
US 6,573,980Removable optical pellicle
Term ended
Term ended Jul 26, 2021 · From the USPTO record
Term endedTerm ended Jul 26, 2021From the USPTO record
US 6,594,073Antistatic optical pellicle
Term ended
Term ended May 30, 2021 · From the USPTO record
Term endedTerm ended May 30, 2021From the USPTO record
US 6,582,859Dust cover for use in semiconductor fabrication
Formerly held
Term ended
Term ended Feb 7, 2020 · From the USPTO record
Term endedTerm ended Feb 7, 2020From the USPTO record
US 6,586,159Method for using a coated fluoropolymer substrate pellicle in semiconductor fabrication
Formerly held
Term ended
Term ended Feb 7, 2020 · From the USPTO record
Term endedTerm ended Feb 7, 2020From the USPTO record
US 6,280,885Dust cover comprising anti-reflective coating
Term ended
Term ended Aug 11, 2019 · From the USPTO record
Term endedTerm ended Aug 11, 2019From the USPTO record
US 6,190,743Photomask protection system
Term ended
Term ended Jul 6, 2018 · From the USPTO record
Term endedTerm ended Jul 6, 2018From the USPTO record
US 6,103,427Pressure relieving pellicle
Lapsed on the fee record
Ended Aug 15, 2008 · From the USPTO record
Lapsed on the fee recordEnded Aug 15, 2008From the USPTO record
US 4,470,508Dustfree packaging container and method
Formerly held
Term ended
Term ended no later than Sep 11, 2004 · Low confidence
Term endedTerm ended no later than Sep 11, 2004Low confidence
10 of 19 patents shown.
Pro members see all 19.
Pro members: see all 19 patents
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