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Polyjohn Enterprises, LLC

Also on record
Records under this name other than the patents Polyjohn Enterprises, LLC 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 3 patents it holds.

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PatentTitleStatus Expires Confidence
US D609,413Portable restroom
Term ended
Term ended Feb 2, 2024 · From the USPTO record
Term endedTerm ended Feb 2, 2024From the USPTO record
US D607,677Portable sanitary dispenser assembly
Term ended
Term ended Jan 12, 2024 · From the USPTO record
Term endedTerm ended Jan 12, 2024From the USPTO record
US D553,753Portable, stand-alone, double bowl, hand-wash sink station
Term ended
Term ended Oct 23, 2021 · From the USPTO record
Term endedTerm ended Oct 23, 2021From the USPTO record
US 6,427,256Knockdown portable toilet
Term ended
Term ended Oct 26, 2020 · From the USPTO record
Term endedTerm ended Oct 26, 2020From the USPTO record
US 6,199,222Portable combined toilet and waste holding tank
Term ended
Term ended Oct 28, 2016 · From the USPTO record
Term endedTerm ended Oct 28, 2016From the USPTO record
US 8,091,157Modular portable restroom
Lapsed on the fee record
Ended Jan 10, 2016 · From the USPTO record
Lapsed on the fee recordEnded Jan 10, 2016From the USPTO record
US 6,507,958Multi-function base unit for portable stand-alone restroom facility
Lapsed on the fee record
Ended Jan 21, 2015 · From the USPTO record
Lapsed on the fee recordEnded Jan 21, 2015From the USPTO record
US 4,577,351Portable toilet cabana
Term ended
Term ended no later than Mar 25, 2006 · Low confidence
Term endedTerm ended no later than Mar 25, 2006Low confidence
US 4,637,299Vent opening for portable building wall
Term ended
Term ended no later than Jan 20, 2007 · Low confidence
Term endedTerm ended no later than Jan 20, 2007Low confidence
US 4,761,840Portable toilet cabana
Term ended
Term ended no later than Aug 9, 2008 · Low confidence
Term endedTerm ended no later than Aug 9, 2008Low confidence
10 of 27 patents shown.
Pro members see all 27.
Pro members: see all 27 patents
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