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Abstract
Abstract A FLOW CONTROL DEVICE DISPOSED BENEATH AND COMMUNICATING DIRECTLY WITH THE HEADBOX OF A PAPER MAKING MACHINE AND INCLUDING AN INLET EXTENDING TRANSVERSELY OF TNE ENTIRETY OF THE HEADBOX WIDTH FOR RECEIVING THE FLOW OF STOCK FROM A SUPPLY POINT, THE INLET COMMUNICATING WITH THE BOTTOM-MOST SECTOR OF AN EXPLOSION CHAMBER OF GENERALLY CIRCULAR CROSS SECTION EXTENDING TRANSVERSELY OF THE ENTIRETY OF THE HEADBOX WIDTH, WITH THE TOP-MOST SECTOR OF THE EXPLOSION CHAMBER HAVING AN OPENING DEFINING A CONSTRICTED PASSAGEWAY LEADING INTO THE BOTTOM OF A VERTICALLY-EXTENDING GRADUALLY-ENLARGING THROAT ALSO EXTENDING TRANSVERSELY OF THE ENTIRETY OF THE HEADBOX WIDTH AND WITH THE TOP OF THE THROAT COMMUNICATING WITH AN OPENING IN THE FLOOR OF THE POND OF THE HEADBOX, THE EXPLOSION CHAMBER CONTAINING A SINGLE ROTATABLE HOMOGENIZER ROLL AND THE TOP-MOST PORTION OF THE THROAT CONTAINING A PLURALITY OF ROTATABLE HOMOGENIZER ROLLS IN A SPACED SIDE-BY-SIDE RELATIONSHIP.
Inventors
- 👤 Albert Edward Harold Fair
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |