F. Boyd, Ltd.
Records under this name other than patents F. Boyd, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 5 of 5 · Back to F. Boyd, Ltd.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,541,175 | Knife Term ended Term ended no later than Sep 17, 2005 · Low confidence | Term ended | Term ended no later than Sep 17, 2005 | Low confidence |
| US 4,750,267 | Folding blade knife Term ended Term ended no later than Jun 14, 2008 · Low confidence | Term ended | Term ended no later than Jun 14, 2008 | Low confidence |
| US 4,901,439 | Lock block knife with single lock position Term ended Term ended no later than Feb 20, 2010 · Low confidence | Term ended | Term ended no later than Feb 20, 2010 | Low confidence |
| US 4,961,239 | Fixed yet pivotable knife or tool Term ended Term ended no later than Oct 9, 2010 · Low confidence | Term ended | Term ended no later than Oct 9, 2010 | Low confidence |
| US 5,029,354 | Knife Term ended Term ended no later than Jul 9, 2011 · Low confidence | Term ended | Term ended no later than Jul 9, 2011 | Low confidence |