Micro-Precision Operations, Inc.
Records under this name other than patents Micro-Precision Operations, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 9 of 9 · Back to Micro-Precision Operations, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,454,642 | Apparatus for compressing a retainer ring to assembly size and retainer ring compressed thereby Term ended Term ended no later than Jun 19, 2004 · Low confidence | Term ended | Term ended no later than Jun 19, 2004 | Low confidence |
| US 4,856,169 | Apparatus for compressing a retainer ring to assembly size Term ended Term ended no later than Aug 15, 2009 · Low confidence | Term ended | Term ended no later than Aug 15, 2009 | Low confidence |
| US 4,982,484 | Apparatus for assembling internal retainer ring having lugs into a bore Formerly held Term ended Term ended no later than Jan 8, 2011 · Low confidence | Term ended | Term ended no later than Jan 8, 2011 | Low confidence |
| US 5,072,505 | Method for assembling a retainer ring onto an article Term ended Term ended no later than Dec 17, 2011 · Low confidence | Term ended | Term ended no later than Dec 17, 2011 | Low confidence |
| US 5,075,944 | Apparatus for compressing a retainer ring to assembly size Term ended Term ended no later than Dec 31, 2011 · Low confidence | Term ended | Term ended no later than Dec 31, 2011 | Low confidence |
| US 5,404,629 | Piston ring apparatus Formerly held Term ended Term ended no later than Apr 11, 2015 · Low confidence | Term ended | Term ended no later than Apr 11, 2015 | Low confidence |
| US 5,435,056 | Piston ring apparatus Formerly held Term ended Term ended no later than Jul 25, 2015 · Low confidence | Term ended | Term ended no later than Jul 25, 2015 | Low confidence |
| US 5,592,740 | Piston ring method Term ended Term ended no later than Jan 14, 2017 · Low confidence | Term ended | Term ended no later than Jan 14, 2017 | Low confidence |
| US 5,737,831 | Piston ring apparatus Term ended Term ended no later than Apr 14, 2018 · Low confidence | Term ended | Term ended no later than Apr 14, 2018 | Low confidence |