Central Tools, Inc.
Records under this name other than patents Central Tools, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,524,804 | Hand-held spring tool Lapsed on the fee record Ended Jan 7, 2024 · From the USPTO record | Lapsed on the fee record | Ended Jan 7, 2024 | From the USPTO record |
| US 6,799,863 | Adjustable utility light Term ended Term ended May 15, 2023 · From the USPTO record | Term ended | Term ended May 15, 2023 | From the USPTO record |
| US 6,216,357 | Wheels-on brake drum gage Lapsed on the fee record Ended Apr 17, 2009 · From the USPTO record | Lapsed on the fee record | Ended Apr 17, 2009 | From the USPTO record |
| US 4,352,539 | Fluorescent light with threaded connector Term ended Term ended no later than Oct 5, 2002 · Low confidence | Term ended | Term ended no later than Oct 5, 2002 | Low confidence |
| US 4,644,453 | Portable fluorescent light unit Term ended Term ended no later than Feb 17, 2007 · Low confidence | Term ended | Term ended no later than Feb 17, 2007 | Low confidence |
| US 4,818,917 | Fluorescent lighting ballast with electronic assist Term ended Term ended no later than Apr 4, 2009 · Low confidence | Term ended | Term ended no later than Apr 4, 2009 | Low confidence |
| US 5,317,814 | Measuring caliper instrument having a digital display and method for calibrating same Term ended Term ended no later than Jun 7, 2014 · Low confidence | Term ended | Term ended no later than Jun 7, 2014 | Low confidence |
| US 5,465,501 | Gage with adjustable depth stops for measuring distance between two spaced surfaces 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 5,469,629 | Brake rotor thickness measurement gage Term ended Term ended no later than Nov 28, 2015 · Low confidence | Term ended | Term ended no later than Nov 28, 2015 | Low confidence |
| US 5,765,941 | Fluorescent lamp and method of manufacturing same Term ended Term ended no later than Jun 16, 2018 · Low confidence | Term ended | Term ended no later than Jun 16, 2018 | Low confidence |