Patent US2726136A successfully refreshed from Google Patents.
US2726136A
Expired / Lapsed
US
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Solid particle transfer process and apparatus
Assignee: Gulf Oil Corp
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Filing: 1951-07-13
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Granted: 1955-12-06
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Expires: 1971-07-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Damon A Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:42
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/0015; B01J8/003; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3121; Y10T137/794
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF INTRODUCING SOLID PARTICLES INTO A HIGH PRESSURE CHAMBER WHICH COMPRISES FORMING A COMPACT COLUMN OF THE SOLID PARTICLES WITHIN A GAS TIGHT CONDUIT ONE END OF WHICH IS CONNECTED TO THE HIGH PRESSURE CHAMBER AND THE OTHER END OF WHICH CONNECTED TO A CLOSED RESERVOIR, INTRODUCING SOLID PARTICLES INTO THE CLOSED RESERVOIR WHILE AT A LOWER PRESSURE, INTRODUCING A GAS UNDER HIGH PRESSURE INTO THE BASE OF THE COMPACT COLUMN TO CAUSE THE SOLID PARTICLES FORMING THE COMPACT COLUMN TO BECOME SUSPENDED IN THE GAS AND FLOW INTO THE HIGH PRESSURE CHAMBER, DISCONTINUING GAS INTRODUCING, FORMING
Claim 2
Independent Claim
99 words
THE METHOD OF INTRODUCING SOLID PARTICLES INTO A HIGH PRESSURE CHAMBER WHICH COMPRISES FORMING A COMPACT COLUMN OF THE SOLID PARTICLES WITHIN A GAS TIGHT CONDUIT ONE END OF WHICH IS CONNECTED TO THE HIGH PRESSURE CHAMBER AND THE OTHER END OF WHICH CONNECTED TO A CLOSED RESERVOIR, INTRODUCING SOLID PARTICLES INTO THE CLOSED RESERVOIR WHILE AT A LOWER PRESSURE, INTRODUCING A GAS UNDER HIGH PRESSURE INTO THE BASE OF THE COMPACT COLUMN TO CAUSE THE SOLID PARTICLES FORMING THE COMPACT COLUMN TO BECOME SUSPENDED IN THE GAS AND FLOW INTO THE HIGH PRESSURE CHAMBER, DISCONTINUING GAS INTRODUCING, FORMING
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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) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |