Purespectrum, Inc.
Records under this name other than patents Purespectrum, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 6 of 6 · Back to Purespectrum, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,252,406 | Fluorescent lamp system using reflectors Lapsed on the fee record Ended Aug 7, 2015 · From the USPTO record | Lapsed on the fee record | Ended Aug 7, 2015 | From the USPTO record |
| US 7,235,932 | High efficiency ballast for gas discharge lamps Lapsed on the fee record Ended Jun 26, 2015 · From the USPTO record | Lapsed on the fee record | Ended Jun 26, 2015 | From the USPTO record |
| US 7,514,878 | High frequency electronic ballast with sine wave oscillator Lapsed on the fee record Ended Apr 7, 2013 · From the USPTO record | Lapsed on the fee record | Ended Apr 7, 2013 | From the USPTO record |
| US 7,514,879 | Method and system for driving a plasma-based light source Lapsed on the fee record Ended Apr 7, 2013 · From the USPTO record | Lapsed on the fee record | Ended Apr 7, 2013 | From the USPTO record |
| US 7,388,334 | High frequency electronic ballast with sine wave oscillator Lapsed on the fee record Ended Jun 17, 2012 · From the USPTO record | Lapsed on the fee record | Ended Jun 17, 2012 | From the USPTO record |
| US 6,975,069 | Multi-phase gas discharge lamps Lapsed on the fee record Ended Dec 13, 2009 · From the USPTO record | Lapsed on the fee record | Ended Dec 13, 2009 | From the USPTO record |