US2554818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneously firing a coke-oven battery with rich and lean fuel gases
Assignee: Honeywell International Inc
•
Filing: 1948-08-23
•
Granted: 1951-05-29
•
Expires: 1968-08-23
Abstract
No abstract record available.
Inventors
- 👤 Davis George Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:50
CPC Classifications
C; C10; C10B; C10B21/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1398055A
Cited
US1597365A
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US1907202A
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US1968367A
Cited
US1918926A
Cited
AU2480930A
Cited
US1921145A
Cited
US2342426A
Cited
US2342214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |