US3051560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for aging alkali cellulose
Assignee: ROBERT P KING
•
Filing: 1959-05-11
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Granted: 1962-08-28
•
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 07:07
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)
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US2277416A
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US2490097A
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US2477970A
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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) | 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 |