Flotation apparatus and process
Abstract
Abstract 1,195,493. Flotation apparatus; mixing and aerating apparatus. ARTHUR G. MCKEE & CO. 30 Sept., 1968 [7 Dec., 1967], No. 46379 / 68. Headings B1C and B2H. Flotation apparatus comprises a rotor 11 provided with radial vanes 29 mounted inside a stator 25 which is supported in a tank 10 with its lower end substantially above the bottom of the rotor and its upper end extending above the level of liquid in the tank and provided with inwardly projecting members 33 and openings 34 through which fluid may be driven by the rotor. A flared perforated hood 26 is mounted on the stator and is provided with openings. The rotor is moulded of rubber-like material and is arranged so that the vanes can distort into a generally spiral cross-section under load.
Inventors
- 👤 William H Reck
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |