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C.S.P. Diffusion

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Records under this name other than patents C.S.P. Diffusion 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 D449,132Hair grip
Term ended
Term ended Oct 9, 2015 · From the USPTO record
Term endedTerm ended Oct 9, 2015From the USPTO record
US D449,133Hair grip
Term ended
Term ended Oct 9, 2015 · From the USPTO record
Term endedTerm ended Oct 9, 2015From the USPTO record
US 6,619,296Hair grip with lighter jaws
Lapsed on the fee record
Ended Sep 16, 2011 · From the USPTO record
Lapsed on the fee recordEnded Sep 16, 2011From the USPTO record
US 6,354,307Concealed spring hinge for hairstyling devices
Lapsed on the fee record
Ended Mar 12, 2010 · From the USPTO record
Lapsed on the fee recordEnded Mar 12, 2010From the USPTO record
US 6,189,544Hair grip with pairs of teeth
Lapsed on the fee record
Ended Feb 20, 2009 · From the USPTO record
Lapsed on the fee recordEnded Feb 20, 2009From the USPTO record
US 5,494,060Hair clip with annular springs
Term ended
Term ended no later than Feb 27, 2016 · Low confidence
Term endedTerm ended no later than Feb 27, 2016Low confidence
US 5,664,591Hair clip with annular springs
Term ended
Term ended no later than Sep 9, 2017 · Low confidence
Term endedTerm ended no later than Sep 9, 2017Low confidence
US 5,699,814Curved toothed hairclip
Term ended
Term ended no later than Dec 23, 2017 · Low confidence
Term endedTerm ended no later than Dec 23, 2017Low confidence
US 5,842,482Spring hinge for hairstyling devices
Term ended
Term ended no later than Dec 1, 2018 · Low confidence
Term endedTerm ended no later than Dec 1, 2018Low confidence
US 5,842,485Curved toothed hairclip
Term ended
Term ended no later than Dec 1, 2018 · Low confidence
Term endedTerm ended no later than Dec 1, 2018Low confidence
10 of 12 patents shown.
Pro members see all 12.
Pro members: see all 12 patents
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