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Simplex Ceiling Corp.

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Records under this name other than patents Simplex Ceiling Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 7 of 7 · Back to Simplex Ceiling Corp.

PatentTitleStatus Expires Confidence
US 4,439,973Clip for metal planks
Term ended
Term ended no later than Apr 3, 2004 · Low confidence
Term endedTerm ended no later than Apr 3, 2004Low confidence
US 4,537,116Air drape
Term ended
Term ended no later than Aug 27, 2005 · Low confidence
Term endedTerm ended no later than Aug 27, 2005Low confidence
US 4,549,375Ceiling construction
Term ended
Term ended no later than Oct 29, 2005 · Low confidence
Term endedTerm ended no later than Oct 29, 2005Low confidence
US 4,611,444Sanitary acoustical ceiling
Term ended
Term ended no later than Sep 16, 2006 · Low confidence
Term endedTerm ended no later than Sep 16, 2006Low confidence
US 4,696,141Suspended ceiling having a concealed suspension grid and lay-in metal panels supported thereon
Term ended
Term ended no later than Sep 29, 2007 · Low confidence
Term endedTerm ended no later than Sep 29, 2007Low confidence
US 4,760,677Suspended ceiling having a concealed suspension grid and lay-in metal panels supported thereon
Formerly held
Term ended
Term ended no later than Aug 2, 2008 · Low confidence
Term endedTerm ended no later than Aug 2, 2008Low confidence
US 4,773,194Graffiti-resistant ceiling tile
Term ended
Term ended no later than Sep 27, 2008 · Low confidence
Term endedTerm ended no later than Sep 27, 2008Low confidence
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