Patent US1301388A successfully refreshed from Google Patents.
US2697482A
Expired / Lapsed
US
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Apparatus for combustion of fluid fuel with oxygen
Assignee: Foster Wheeler Inc
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Filing: 1948-05-05
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Granted: 1954-12-21
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Expires: 1968-05-05
Abstract
No abstract record available.
Inventors
- 👤 Blizard John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:35
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/02; F23C2700/023
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1052588A
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US1288557A
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US1989421A
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US2095991A
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US2280765A
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US2303381A
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US2405427A
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US2384468A
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US2408111A
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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) | 1957-12-20 | 1958-06-21 | 1958-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-20 | 1962-06-21 | 1962-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-20 | 1966-06-21 | 1966-12-21 | $7700.00 | Window Closed / Lapsed |