Bilsom AB
Records under this name other than patents Bilsom AB holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,123,168 | Banded hearing protector Formerly held Term ended Term ended Jun 30, 2017 · From the USPTO record | Term ended | Term ended Jun 30, 2017 | From the USPTO record |
| US 6,104,818 | Microphone circuit Formerly held Term ended Term ended Apr 22, 2017 · From the USPTO record | Term ended | Term ended Apr 22, 2017 | From the USPTO record |
| US 4,248,220 | Disposable dust respirator Formerly held Term ended Term ended no later than Feb 3, 2001 · Low confidence | Term ended | Term ended no later than Feb 3, 2001 | Low confidence |
| US 4,314,553 | Earplug and earplug set Formerly held Term ended Term ended no later than Feb 9, 2002 · Low confidence | Term ended | Term ended no later than Feb 9, 2002 | Low confidence |
| US 4,375,702 | Device for mounting an earmuff on a helmet Term ended Term ended no later than Mar 8, 2003 · Low confidence | Term ended | Term ended no later than Mar 8, 2003 | Low confidence |
| US 4,608,217 | Method for the production of an ear plug Formerly held Term ended Term ended no later than Aug 26, 2006 · Low confidence | Term ended | Term ended no later than Aug 26, 2006 | Low confidence |
| US 4,614,487 | Ear plug as well as a method and apparatus for the production thereof Formerly held Term ended Term ended no later than Sep 30, 2006 · Low confidence | Term ended | Term ended no later than Sep 30, 2006 | Low confidence |
| US 4,671,265 | Earplug device Formerly held Term ended Term ended no later than Jun 9, 2007 · Low confidence | Term ended | Term ended no later than Jun 9, 2007 | Low confidence |
| US 4,674,134 | Earmuff having sealing ring including liquid and foam plastic layers Term ended Term ended no later than Jun 23, 2007 · Low confidence | Term ended | Term ended no later than Jun 23, 2007 | Low confidence |
| US 4,739,755 | Respirator Formerly held Term ended Term ended no later than Apr 26, 2008 · Low confidence | Term ended | Term ended no later than Apr 26, 2008 | Low confidence |