Flex Box Limited
Records under this name other than patents Flex Box Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,100,279 | Storage container and corner post thereof Lapsed on the fee record Ended Jan 24, 2024 · From the USPTO record | Lapsed on the fee record | Ended Jan 24, 2024 | From the USPTO record |
| US 4,073,161 | Flexible couplings Term ended Term ended no later than Feb 14, 1998 · Low confidence | Term ended | Term ended no later than Feb 14, 1998 | Low confidence |
| US 4,492,583 | Membrane type couplings Term ended Term ended no later than Jan 8, 2005 · Low confidence | Term ended | Term ended no later than Jan 8, 2005 | Low confidence |
| US 4,538,821 | Mechanical seals Term ended Term ended no later than Sep 3, 2005 · Low confidence | Term ended | Term ended no later than Sep 3, 2005 | Low confidence |
| US 4,552,368 | Backup seal with bush in form of radially floating washer Term ended Term ended no later than Nov 12, 2005 · Low confidence | Term ended | Term ended no later than Nov 12, 2005 | Low confidence |
| US 4,575,357 | Flexible couplings Term ended Term ended no later than Mar 11, 2006 · Low confidence | Term ended | Term ended no later than Mar 11, 2006 | Low confidence |
| US 4,659,092 | Mechanical seals Term ended Term ended no later than Apr 21, 2007 · Low confidence | Term ended | Term ended no later than Apr 21, 2007 | Low confidence |
| US 4,744,782 | Centrifugal couplings Term ended Term ended no later than May 17, 2008 · Low confidence | Term ended | Term ended no later than May 17, 2008 | Low confidence |
| US 5,277,545 | Vapor emission control Term ended Term ended no later than Jan 11, 2014 · Low confidence | Term ended | Term ended no later than Jan 11, 2014 | Low confidence |
| US 5,375,854 | Mechanical face seals Term ended Term ended no later than Dec 27, 2014 · Low confidence | Term ended | Term ended no later than Dec 27, 2014 | Low confidence |