Patent US2761575A successfully refreshed from Google Patents.
US2761575A
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Method of transporting powder into advanced pressure zone
Assignee: ExxonMobil Oil Corp
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Filing: 1952-02-01
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Granted: 1956-09-04
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Expires: 1972-02-01
Abstract
No abstract record available.
Inventors
- 👤 George J Visconty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:52
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/08; B01J8/12; B01J3/00; B01J3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
THE METHOD OF CONTINUOUSLY INTRODUCING A SOLID ADSORBENT CONTACT POWDER OF A PARTICLE SIZE SMALLER THAN 40 MESH INTO AN ENCLOSED ADVANCED PRESSURE ZONE WHICH COMPRISES CONTINUOUSLY: DISCHARGING THE POWDER FROM A STORAGE ZONE AT LOW PRESSURE INTO THE TOP OF AN ELONGATED LATERALLY CONFINED SUBSTANTIALLY UNOBSTRUCTED PASSAGE, PASSING THE POWDER DOWNWARDLY THROUGH THE PASSAGE IN THE FORM OF A SUBSTANTIALLY COMPACT COLUMN TO THE ADVANCED PRESSURE ZONE, THE LENGTH OF THE COLUMN BEING SUFFICIENT TO PREVENT THE ESCAPE OF ANY SUBSTANTIAL QUANTITY OF GAS FROM THE ADVANCED PRESSURE ZONE, SUBJECTING THE COLUMN TO AUTOMATIC HIGH FREQUENCY VIBRATION SUFFICIENT TO IMPROVE
Claim 2
Independent Claim
101 words
THE METHOD OF CONTINUOUSLY INTRODUCING A SOLID ADSORBENT CONTACT POWDER OF A PARTICLE SIZE SMALLER THAN 40 MESH INTO AN ENCLOSED ADVANCED PRESSURE ZONE WHICH COMPRISES CONTINUOUSLY: DISCHARGING THE POWDER FROM A STORAGE ZONE AT LOW PRESSURE INTO THE TOP OF AN ELONGATED LATERALLY CONFINED SUBSTANTIALLY UNOBSTRUCTED PASSAGE, PASSING THE POWDER DOWNWARDLY THROUGH THE PASSAGE IN THE FORM OF A SUBSTANTIALLY COMPACT COLUMN TO THE ADVANCED PRESSURE ZONE, THE LENGTH OF THE COLUMN BEING SUFFICIENT TO PREVENT THE ESCAPE OF ANY SUBSTANTIAL QUANTITY OF GAS FROM THE ADVANCED PRESSURE ZONE, SUBJECTING THE COLUMN TO AUTOMATIC HIGH FREQUENCY VIBRATION SUFFICIENT TO IMPROVE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |