World Precision Instruments
Records under this name other than the patents World Precision Instruments holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 3 patents it holds.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,603,556 | Photometric detection system having multiple path length flow cell Formerly held Term ended Term ended Oct 11, 2021 · From the USPTO record | Term ended | Term ended Oct 11, 2021 | From the USPTO record |
| US 6,385,380 | Hollow optical waveguide for trace analysis in aqueous solutions Formerly held Term ended Term ended Apr 19, 2019 · From the USPTO record | Term ended | Term ended Apr 19, 2019 | From the USPTO record |
| US 8,915,143 | Combination Ultrasensitive Force Transducer and Grabbing Device for Force and Strain Measurement from Single Cells Formerly held Lapsed on the fee record Ended Dec 23, 2018 · High confidence | Lapsed on the fee record | Ended Dec 23, 2018 | High confidence |
| US 6,020,207 | Optical analysis technique and sensors for use therein Formerly held Term ended Term ended Jun 17, 2018 · From the USPTO record | Term ended | Term ended Jun 17, 2018 | From the USPTO record |
| US 6,011,882 | Chemical sensing techniques employing liquid-core optical fibers Formerly held Term ended Term ended Oct 16, 2017 · From the USPTO record | Term ended | Term ended Oct 16, 2017 | From the USPTO record |
| US 6,926,867 | Pipette piston seal assembly Formerly held Lapsed on the fee record Ended Aug 9, 2017 · From the USPTO record | Lapsed on the fee record | Ended Aug 9, 2017 | From the USPTO record |
| US 6,749,834 | Methods and apparatus for therapeutic treatment of respiratory, cardiac and other pathologies Lapsed on the fee record Ended Jun 15, 2012 · From the USPTO record | Lapsed on the fee record | Ended Jun 15, 2012 | From the USPTO record |
| US 6,016,372 | Chemical sensing techniques employing liquid-core optical fibers Lapsed on the fee record Ended Jan 18, 2012 · From the USPTO record | Lapsed on the fee record | Ended Jan 18, 2012 | From the USPTO record |
| US 6,104,485 | Method and apparatus for optical measurement of very small fluid samples Lapsed on the fee record Ended Aug 15, 2008 · From the USPTO record | Lapsed on the fee record | Ended Aug 15, 2008 | From the USPTO record |
| US 4,912,060 | Method and apparatus for electrical testing of membranes Term ended Term ended no later than Mar 27, 2010 · Low confidence | Term ended | Term ended no later than Mar 27, 2010 | Low confidence |