Patent US3456600A successfully refreshed from Google Patents.
Patent US2690962A successfully refreshed from Google Patents.
US2690962A
Expired / Lapsed
US
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Vessel for contacting gaseous fluids and solids
Assignee: Standard Oil Development Co
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Filing: 1952-10-06
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Granted: 1954-10-05
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Expires: 1972-10-06
Abstract
No abstract record available.
Inventors
- 👤 James S Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:21
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/44; Y; Y10; Y10S; Y10S159/00; Y10S159/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN APPARATUS INCLUDING A VERTICALLY DISPOSED VESSEL HAVING A CYLINDRICAL BODY PORTION AND A BOTTOM CLOSURE PLATE PROVIDED WITH A CENTRAL INLET FOR GASEOUS FLUIDS, A TOP OUTLET FOR GASEOUS FLUID FROM SAID VESSEL, A CIRCULAR DISHED DISTRIBUTION GRID SUPPORTED IN THE LOWER PORTION OF SAID VESSEL, SAID GRID BEING ARRANGED IN SAID VESSEL SO THAT THE CENTRAL PORTION OF THE GRID IS BELOW THE PLANE OF THE PERIPHERY OF SAID GRID A DISTANCE OF THE ORDER OF
Claim 2
Independent Claim
78 words
AN APPARATUS INCLUDING A VERTICALLY DISPOSED VESSEL HAVING A CYLINDRICAL BODY PORTION AND A BOTTOM CLOSURE PLATE PROVIDED WITH A CENTRAL INLET FOR GASEOUS FLUIDS, A TOP OUTLET FOR GASEOUS FLUID FROM SAID VESSEL, A CIRCULAR DISHED DISTRIBUTION GRID SUPPORTED IN THE LOWER PORTION OF SAID VESSEL, SAID GRID BEING ARRANGED IN SAID VESSEL SO THAT THE CENTRAL PORTION OF THE GRID IS BELOW THE PLANE OF THE PERIPHERY OF SAID GRID A DISTANCE OF THE ORDER OF
References Cited (Backward Citations)
US2470395A
Cited
US2443190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |