US3206865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for heat exchange in a fluidized bed
Assignee: Individual
•
Filing: 1960-11-02
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Granted: 1965-09-21
•
Expires: 1980-11-02
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank J Mcentee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:48
CPC Classifications
F; F28; F28D; F28D13/00; B; B01; B01J; B01J8/00; B01J8/18; B01J8/1818; B01J8/1836; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/16; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00132
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
IN A METHOD OF EFFECTING HEAT TRANSFER BETWEEN A MATERIAL AND A HEAT-EXCHANGE MEDUIM IN A CONFINED ZONE IN WHICH THE MATERIAL IS INTRODUCED TO SAID ZONE; IS MAIN TAINED IN A FLUIDIZED BED WITHIN SAID ZONE; IS BROUGHT INTO HEAT-EXCHANGE RELATION WITH A HEAT-EXCHANGE MEDIUM THEREIN AND IS THEREAFTER DISCHARGED FROM SAID ZONE, THE IMPROVEMENT COMPRISING THE STEPS OF INTRODUCING THE INCOMING MATERIAL DOWNWARDLY INTO SAID ZONE, REMOVING
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |