US2800888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burning apparatus
Assignee: Riley Power Inc
•
Filing: 1953-12-30
•
Granted: 1957-07-30
•
Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 Earle C Miller
- 👤 Craig Ollison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:03
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/06; F23C2700/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE627759C
Cited
US2229068A
Cited
US2375885A
Cited
US2363875A
Cited
US2514768A
Cited
US2663287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |