Sigma Tool & Machine
Records under this name other than patents Sigma Tool & Machine holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,181,712 | Nose piece for inserting fixing elements into predefined seats Lapsed on the fee record Ended May 22, 2016 · From the USPTO record | Lapsed on the fee record | Ended May 22, 2016 | From the USPTO record |
| US 7,575,143 | Method of using a pneumatic hand tool for inserting fixing elements Lapsed on the fee record Ended Aug 18, 2013 · From the USPTO record | Lapsed on the fee record | Ended Aug 18, 2013 | From the USPTO record |
| US 7,571,844 | Pneumatic hand tool for inserting t-nuts Lapsed on the fee record Ended Aug 11, 2013 · From the USPTO record | Lapsed on the fee record | Ended Aug 11, 2013 | From the USPTO record |
| US 6,209,722 | Tee-nut strip with edge membranes Lapsed on the fee record Ended Apr 3, 2013 · From the USPTO record | Lapsed on the fee record | Ended Apr 3, 2013 | From the USPTO record |
| US 6,317,970 | Clip crimping tool Lapsed on the fee record Ended Nov 20, 2009 · From the USPTO record | Lapsed on the fee record | Ended Nov 20, 2009 | From the USPTO record |
| US 6,305,888 | T-nut with indented leading and trailing edge flanges Lapsed on the fee record Ended Oct 23, 2005 · From the USPTO record | Lapsed on the fee record | Ended Oct 23, 2005 | From the USPTO record |
| US 6,183,181 | Sealed end tee-nut Lapsed on the fee record Ended Feb 6, 2005 · From the USPTO record | Lapsed on the fee record | Ended Feb 6, 2005 | From the USPTO record |
| US 6,129,493 | Tee-nut with globular shaped sleeve Lapsed on the fee record Ended Oct 10, 2004 · From the USPTO record | Lapsed on the fee record | Ended Oct 10, 2004 | From the USPTO record |
| US 4,433,782 | Magazine assembly for coil nails Term ended Term ended no later than Feb 28, 2004 · Low confidence | Term ended | Term ended no later than Feb 28, 2004 | Low confidence |
| US 4,472,956 | Apparatus for feeding elongated objects Term ended Term ended no later than Sep 25, 2004 · Low confidence | Term ended | Term ended no later than Sep 25, 2004 | Low confidence |