Rotor for multistation photometric analyzer
Abstract
Abstract AN IMPROVED ROTOR FOR A MULTISTATION PHOTMETRIC ANALYZER WHICH IS CAPABLE OF OPERATION WITHOUT GRAVITATIONAL ASSISTANCE TO EFFECT TRANSFER OR RETENTION OF LIQUIDS. THE ROTOR COMPRISES A LAMINATED DISK-SHAPED MEMBER WITH A CENTRAL OPAQUE DISK SANDWICHED BETWEEN OUTER TRANSPARENT DISKS. THE CENTRAL DISK IS PROVIDED WITH A CIRCULAR ARRAY OF AXIALLY EXTENDING APERTURES WHICH FORM SAMPLE ANALYSIS CUVETTES WHEN THAT DISK IS SANDWICHED BETWEEN THE OUTER TRANSPARENT DISKS. CENTRAL LOADING PORTS EXTEND THROUGH EACH OUTER TRANSPARENT DISK IN REGISTER WITH RESPECTIVE DISTRIBUTION CHAMBERS FORMED IN THE OPPOSING END FACES OF THE CENTRAL DISK. PASSAGEWAYS EXTEND FROM EACH DISTRIBUTION CHAMBER TO EACH SAMPLE ANALYSIS CUVETTE FOR ADDING SAMPLE AND REAGENT LIQUIDS TO THE SAMPLE ANALYSIS CUVETTES. MEANS ARE PROVIDED FOR UNIFORMLY DISTRIBUTING SAMPLE AND REAGENT LIQUIDS TO THE SAMPLE ANALYSIS CUVETTES WHILE THE ROTOR IS IN OPERATION.
Inventors
- 👤 J Mailen
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |