Patent US1396279A successfully refreshed from Google Patents.
Patent US3051560A successfully refreshed from Google Patents.
US3051560A
Expired / Lapsed
US
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Apparatus for aging alkali cellulose
Assignee: ROBERT P KING
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Filing: 1959-05-11
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Granted: 1962-08-28
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Expires: 1979-05-11
Abstract
No abstract record available.
Inventors
- 👤 Barboza Elzeario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:39
CPC Classifications
C; C08; C08B; C08B1/00; C08B1/08; C08B1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
AN ALKALI CELLULOSE AGING APPARATUS COMPRISING A VERTICAL TOWER OPEN AT THE UPPER END THEREOF AND DEFINING AN AGING CHAMBER, A PAIR OF SPACED PARALLEL ELONGATED GUIDE RAILS SECURED ACROSS THE UPPER END OF SAID TOWER AND EXTENDING OUT BEYOND ONE END THEREOF, A CARRIAGE MOUNTED ON SAID RAILS FOR RECIPROCAL BACK AND FORTH MOVEMENT OVER THE OPEN UPPER END OF SAID TOWER, A LONGITUDINALLY EXTENDING ENDLESS CONVEYOR BELT MOUNTED ON SAID CARRIAGE, A TRANSVERSELY DISPOSED DISTRIBUTOR MEANS MOUNTED ON SAID CARRIAGE ADJACENT THE DISCHARGE END OF SAID CONVEYOR AND EXTENDING SUBSTANTIALLY THE ENTIRE WIDTH OF SAID CARRIAGE, A NON-REVERSIBLE DRIVE UNIT MOUNTED ON SAID CARRIAGE IN FIXED POSITION THEREON, OPERATIVE CONNECTIONS BETWEEN SAID DRIVE UNIT AND SAID ENDLESS CONVEYOR AND SAID DISTRIBUTOR MEANS THROUGH WHICH SAID ENDLESS CONVEYOR AND SAID DISTRIBUTOR MEANS ARE CONSTANTLY DRIVEN IN THE SAME DIRECTION BY SAID NON-REVERSIBLE DRIVE UNIT DURING OPERATION, AND INTERCONNECTING MEANS BETWEEN SAID CAR-
Claim 2
Dependent Claim
153 words
AN ALKALI CELLULOSE AGING APPARATUS COMPRISING A VERTICAL TOWER OPEN AT THE UPPER END THEREOF AND DEFINING AN AGING CHAMBER, A PAIR OF SPACED PARALLEL ELONGATED GUIDE RAILS SECURED ACROSS THE UPPER END OF SAID TOWER AND EXTENDING OUT BEYOND ONE END THEREOF, A CARRIAGE MOUNTED ON SAID RAILS FOR RECIPROCAL BACK AND FORTH MOVEMENT OVER THE OPEN UPPER END OF SAID TOWER, A LONGITUDINALLY EXTENDING ENDLESS CONVEYOR BELT MOUNTED ON SAID CARRIAGE, A TRANSVERSELY DISPOSED DISTRIBUTOR MEANS MOUNTED ON SAID CARRIAGE ADJACENT THE DISCHARGE END OF SAID CONVEYOR AND EXTENDING SUBSTANTIALLY THE ENTIRE WIDTH OF SAID CARRIAGE, A NON-REVERSIBLE DRIVE UNIT MOUNTED ON SAID CARRIAGE IN FIXED POSITION THEREON, OPERATIVE CONNECTIONS BETWEEN SAID DRIVE UNIT AND SAID ENDLESS CONVEYOR AND SAID DISTRIBUTOR MEANS THROUGH WHICH SAID ENDLESS CONVEYOR AND SAID DISTRIBUTOR MEANS ARE CONSTANTLY DRIVEN IN THE SAME DIRECTION BY SAID NON-REVERSIBLE DRIVE UNIT DURING OPERATION, AND INTERCONNECTING MEANS BETWEEN SAID CAR-
References Cited (Backward Citations)
US1798715A
Cited
US2277416A
Cited
US2490097A
Cited
US2477970A
Cited
US2709530A
Cited
US2739800A
Cited
US2830693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |