US3565593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Converging-diverging type gas-solids fluidizer and method of use
Assignee: United States Department of the Interior
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Filing: 1968-10-14
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Granted: 1971-02-23
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Expires: 1988-10-14
Abstract
Abstract A CONVERGING-DIVERGING NOZZLE TYPE GAS DISTRIBUTOR FOR A FLUIDIZED BED REACTOR PROVIDES GREAT FLEXIBILITY IN THE CONTROL OF FLUIDIZING GAS FLOW AND IS PARTICULARLY APPLICABLE TO HIGH TEMPERATURE PROCESSING AND REACTION OF SOLIDS.
Inventors
- 👤 Albert S Moore Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:04
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1818
Claims Analysis
Total Claims: 0
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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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |