US3140258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulp centrifuge
Assignee: Beloit Iron Works Inc
•
Filing: 1961-02-03
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Granted: 1964-07-07
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Expires: 1981-02-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Lloyd Hornbostel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:15
CPC Classifications
D; D21; D21C; D21C9/00; D21C9/18; B; B04; B04B; B04B11/00; B04B11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A PULP DRYING DEVICE COMPRISING A ROTATABLY MOUNTED SHAFT, A BASKET HAVING A BASE FIXEDLY MOUNTED ON SAID SHAFT AND A PLURALITY OF FLUID-PERMEABLE SIDES PIVOTED ON SAID BASE, A LINKAGE ELEMENT CONNECTED TO A FREE END OF EACH OF SAID SIDES AND A YOKE SLIDABLY MOUNTED ON SAID SHAFT AND FIXED AGAINST RELATIVE ROTATION THERETO AND CONNECTED TO SAID LINKAGE ELEMENTS AND A POWER-OPERATED CARRIAGE HAVING MEANS ENGAGING SAID YOKE IN JORNALLED RELATION AND GUIDE MEANS FOR SAID CARRIAGE TO GUIDE SAID CARRIAGE RECIPROCABLY TO MOVE SAID YOKE FOR SUCCESSIVELY OPENING SAID SIDES BY A GIVEN CENTRIFUGAL FORCE TO RELEASE DRIED MATERIALS FROM SAID BASKET AND CLOSING SAID SIDES AGAINST SAID GIVEN CENTRIFUGAL FORCE TO PREPARE THE BASKET TO RECEIVE MATERIALS TO BE DRIED BY CENTRIFUGING FLUID THEREFROM THROUGH SAID SIDES.
Claim 2
Dependent Claim
132 words
A PULP DRYING DEVICE COMPRISING A ROTATABLY MOUNTED SHAFT, A BASKET HAVING A BASE FIXEDLY MOUNTED ON SAID SHAFT AND A PLURALITY OF FLUID-PERMEABLE SIDES PIVOTED ON SAID BASE, A LINKAGE ELEMENT CONNECTED TO A FREE END OF EACH OF SAID SIDES AND A YOKE SLIDABLY MOUNTED ON SAID SHAFT AND FIXED AGAINST RELATIVE ROTATION THERETO AND CONNECTED TO SAID LINKAGE ELEMENTS AND A POWER-OPERATED CARRIAGE HAVING MEANS ENGAGING SAID YOKE IN JORNALLED RELATION AND GUIDE MEANS FOR SAID CARRIAGE TO GUIDE SAID CARRIAGE RECIPROCABLY TO MOVE SAID YOKE FOR SUCCESSIVELY OPENING SAID SIDES BY A GIVEN CENTRIFUGAL FORCE TO RELEASE DRIED MATERIALS FROM SAID BASKET AND CLOSING SAID SIDES AGAINST SAID GIVEN CENTRIFUGAL FORCE TO PREPARE THE BASKET TO RECEIVE MATERIALS TO BE DRIED BY CENTRIFUGING FLUID THEREFROM THROUGH SAID SIDES.
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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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |