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US2729428A
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US
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Fluidized bed temperature conditioner and method of controlling temperatures of fluid streams
Assignee: Shell Development Co
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Filing: 1953-04-20
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Granted: 1956-01-03
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Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Oswald H Milmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:12
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836; Y; Y10; Y10S; Y10S159/00; Y10S159/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2567959A
Cited
US2529366A
Cited
US2506317A
Cited
US2629938A
Cited
US2610842A
Cited
US2641849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |