Patent US2602409A successfully refreshed from Google Patents.
US2602409A
Expired / Lapsed
US
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Furnace for burning wet fuels
Assignee: Riley Power Inc
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Filing: 1949-03-16
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Granted: 1952-07-08
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Expires: 1969-03-16
Abstract
No abstract record available.
Inventors
- 👤 Edwin L Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:13
CPC Classifications
F; F23; F23B; F23B60/00; F23B10/00; F23B80/00; F23B80/04; F23G; F23G7/00; F23G7/10; F23G7/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US17842A
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US211082A
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US268682A
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US407703A
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US455173A
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US1657698A
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US1952010A
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US2114619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |