US2711833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extractor for particulate material
Assignee: Gulf Research and Development Co
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Filing: 1952-07-09
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Granted: 1955-06-28
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Expires: 1972-07-09
Abstract
No abstract record available.
Inventors
- 👤 Eugene W Jacobson
- 👤 Benjamin M Wedner
- 👤 Norman H Eckler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:10
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/02; B01J8/00; B01J8/0015; B01J8/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
APPARATUS FOR REMOVING A PORTION OF GASEOUS AND PARTICULATE MATERIAL FROM A PRESSURIZED VESSEL WHICH COMPRISES A HOUSING PENETRATING INTO SAID VESSEL, A SERIES OF STATIONARY PLATES EACH HAVING A VALVE PORT THERETHROUGH MOUNTED IN SPACED RELATION ALONG THE LENGTH OF SAID HOUSING TO DEFINE A SERIES OF CHAMBERS THEREBETWEEN, A ROTATABLE SHAFT AXIALLY POSITIONED IN SAID HOUSING, VALVE PLATES AMOUNTED ON SAID ROTATABLE SHAFT IN ENGAGEMENT WITH THE STATIONARY PLATES, SAID STATIONARY PLATES AND SAID VALVE PLATES BEING SO CONSTRUCTED AND ARRANGED TO ALTERNATELY CLOSE THE VALVE PORTS OF ALTERNATE STATIONARY PLATES DURING ROTATION OF THE SHAFT, SAID SHAFT BEING JOURNALED THROUGH THE FINAL STATIONARY PLATE OF THE SERIES, AND MEANS FOR APPLYING A FLUID PRESSURE ABOUT THE PORTION OF THE SHAFT THAT IS JOURNALED THROUGH THE FINAL STATIONARY PLATE.
Claim 2
Dependent Claim
131 words
APPARATUS FOR REMOVING A PORTION OF GASEOUS AND PARTICULATE MATERIAL FROM A PRESSURIZED VESSEL WHICH COMPRISES A HOUSING PENETRATING INTO SAID VESSEL, A SERIES OF STATIONARY PLATES EACH HAVING A VALVE PORT THERETHROUGH MOUNTED IN SPACED RELATION ALONG THE LENGTH OF SAID HOUSING TO DEFINE A SERIES OF CHAMBERS THEREBETWEEN, A ROTATABLE SHAFT AXIALLY POSITIONED IN SAID HOUSING, VALVE PLATES AMOUNTED ON SAID ROTATABLE SHAFT IN ENGAGEMENT WITH THE STATIONARY PLATES, SAID STATIONARY PLATES AND SAID VALVE PLATES BEING SO CONSTRUCTED AND ARRANGED TO ALTERNATELY CLOSE THE VALVE PORTS OF ALTERNATE STATIONARY PLATES DURING ROTATION OF THE SHAFT, SAID SHAFT BEING JOURNALED THROUGH THE FINAL STATIONARY PLATE OF THE SERIES, AND MEANS FOR APPLYING A FLUID PRESSURE ABOUT THE PORTION OF THE SHAFT THAT IS JOURNALED THROUGH THE FINAL STATIONARY PLATE.
References Cited (Backward Citations)
US748414A
Cited
US2138356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |