US2548966A
Expired / Lapsed
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Catalytic reactor
Assignee: Phillips Petroleum Co
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Filing: 1949-12-01
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Granted: 1951-04-17
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Expires: 1969-12-01
Abstract
No abstract record available.
Inventors
- 👤 Forrest E Gilmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:14
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/008; B01J8/02; B01J8/04; B01J8/0446; B01J8/0449; B01J8/0453; B01J2208/00; B01J2208/00796; B01J2208/00884
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
127 words
A CARTRIDGE FOR CONTAINING A MASS OF PARTICULATE MATERIAL ADAPTED FOR SIMPLE INSERTION INTO AND REMOVAL FROM A VERTICAL CYLINDRICAL FLUID-SOLID CONTACTING CHAMBER WHICH COMPRISES PERFORATE TOP AND BOTTOM HORIZONTAL CIRCULAR PLATES, VERTICAL CONNECTING RODS BETWEEN SAID TOP AND BOTTOM PLATES INCLUDING STOP ELEMENTS PERMITTING ONLY LIMITED VERTICAL MOTION OF SAID PLATES TOWARD AND AWAY FROM EACH OTHER, AND A CYLINDER ATTACHED AT ITS TOP AND BOTTOM TO SAID TOP AND BOTTOM PLATES RESPECTIVELY ALONG THE PERIPHERY THEREOF AND COMPOSED OF MESH PERMITTING AN INCREASE IN CYLINDER LENGTH AND DECREASE IN CYLINDER DIAMETER ON APPLICATION OF VERTICAL TENSION THERETO AND AN INCREASE IN CYLINDER DIAMETER ALONG AT LEAST MORE OF THE LENGTH THEREOF ON RELEASE OF SAID VERTICAL TENSION WHEN SAID CARTRIDGE IS FILLED WITH PARTICULATE MATERIAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |