US3395512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for cooling and cleaning hot converter gases
Assignee: Bethlehem Steel Corp
•
Filing: 1966-03-21
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Granted: 1968-08-06
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Expires: 1986-03-21
Abstract
No abstract record available.
Inventors
- 👤 Jr James A Finney
- 👤 Jablin Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:03
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; C; C21; C21C; C21C5/00; C21C5/28; C21C5/38; Y; Y10; Y10S; Y10S261/00; Y10S261/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1673589A
Cited
US2623505A
Cited
GB686794A
Cited
US2729301A
Cited
GB776538A
Cited
US3118759A
Cited
US3292345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |