Duraframe Window Shutter Systems, Inc.
Records under this name other than patents Duraframe Window Shutter Systems, Inc. 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 Duraframe Window Shutter Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 5,465,537 | Storm shutter window frame system Term ended Term ended no later than Nov 14, 2015 · Low confidence | Term ended | Term ended no later than Nov 14, 2015 | Low confidence |
| US 5,509,239 | Storm shutter window frame system Term ended Term ended no later than Apr 23, 2016 · Low confidence | Term ended | Term ended no later than Apr 23, 2016 | Low confidence |
| US 5,522,190 | Storm shutter window frame system Term ended Term ended no later than Jun 4, 2016 · Low confidence | Term ended | Term ended no later than Jun 4, 2016 | Low confidence |
| US 5,524,403 | Storm shutter window frame system Term ended Term ended no later than Jun 11, 2016 · Low confidence | Term ended | Term ended no later than Jun 11, 2016 | Low confidence |
| US 5,533,308 | Storm shutter window frame system Term ended Term ended no later than Jul 9, 2016 · Low confidence | Term ended | Term ended no later than Jul 9, 2016 | Low confidence |
| US 5,914,175 | Composite panel and method Formerly held Term ended Term ended no later than Jun 22, 2019 · Low confidence | Term ended | Term ended no later than Jun 22, 2019 | Low confidence |
| US 5,941,031 | Shutter system and method Term ended Term ended no later than Aug 24, 2019 · Low confidence | Term ended | Term ended no later than Aug 24, 2019 | Low confidence |