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Flexstake, Inc.

Also on record
Records under this name other than the patents Flexstake, 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 1 patents it holds.

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PatentTitleStatus Expires Confidence
US 6,604,485Drivable post and marker
Term ended
Term ended Feb 27, 2022 · From the USPTO record
Term endedTerm ended Feb 27, 2022From the USPTO record
US 6,732,673Drivable post and marker
Term ended
Ended no later than Feb 27, 2022 · From the USPTO record
Term endedEnded no later than Feb 27, 2022From the USPTO record
US 6,109,820Anchor base for flexible marker
Term ended
Term ended Mar 26, 2018 · From the USPTO record
Term endedTerm ended Mar 26, 2018From the USPTO record
US 4,862,823Bendable marker and method of marking
Term ended
Term ended no later than Sep 5, 2009 · Low confidence
Term endedTerm ended no later than Sep 5, 2009Low confidence
US 4,903,465Mower guard for flexible markers
Term ended
Term ended no later than Feb 27, 2010 · Low confidence
Term endedTerm ended no later than Feb 27, 2010Low confidence
US 5,040,478Bendable marker with signage protection feature
Term ended
Term ended no later than Aug 20, 2011 · Low confidence
Term endedTerm ended no later than Aug 20, 2011Low confidence
US 5,197,819Mounting base for highway markers
Term ended
Term ended no later than Mar 30, 2013 · Low confidence
Term endedTerm ended no later than Mar 30, 2013Low confidence
US 5,205,236Stiffener core for a highway marker
Term ended
Term ended no later than Apr 27, 2013 · Low confidence
Term endedTerm ended no later than Apr 27, 2013Low confidence
US 5,277,146Laterally supported flexible sign
Term ended
Term ended no later than Jan 11, 2014 · Low confidence
Term endedTerm ended no later than Jan 11, 2014Low confidence
US 5,439,311Bendable marker with ribbed sleeve
Term ended
Term ended no later than Aug 8, 2015 · Low confidence
Term endedTerm ended no later than Aug 8, 2015Low confidence
10 of 14 patents shown.
Pro members see all 14.
Pro members: see all 14 patents
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