Patent US2560078A successfully refreshed from Google Patents.
US2560078A
Expired / Lapsed
US
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Combustion apparatus and method
Assignee: Lummus Technology LLC
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Filing: 1950-12-21
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Granted: 1951-07-10
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Expires: 1970-12-21
Abstract
No abstract record available.
Inventors
- 👤 Ward J Bloomer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:19
CPC Classifications
F; F23; F23C; F23C99/00; F23D; F23D14/00; F23D17/00; F23C2700/00; F23C2700/06; F23C2700/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US898131A
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US1656907A
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US1657725A
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US1852531A
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GB350051A
Cited
US2039890A
Cited
US2143259A
Cited
US2515845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |