US3712369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for removing heat from fluidized bed of roasting furnace and device for effecting the same
Assignee: GNII TSVETNYKH METALLOV
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Filing: 1970-12-07
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Granted: 1973-01-23
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Expires: 1990-12-07
Abstract
Abstract A method for removing heat from a fluidized bed of a roasting furnace and a device for carrying this method into effect by means of steam-cooled tubular members, which provide for an increase in the heat absorption of these members through preliminary cooling of the steam fed thereinto up to saturation or wet state.
Inventors
- 👤 Z Berlin
- 👤 I Tsarev
- 👤 E Ivanovsky
- 👤 A Serkov
- 👤 H Yakimovich
- 👤 A Vasilchenko
- 👤 G Maslovsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:46
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/02; C22B1/10; B; B01; B01J; B01J8/00; B01J8/18; B01J8/1836
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2872163A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |