US2848959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burning apparatus
Assignee: Riley Power Inc
•
Filing: 1954-10-05
•
Granted: 1958-08-26
•
Expires: 1974-10-05
Abstract
No abstract record available.
Inventors
- 👤 Craig Ollison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:15
CPC Classifications
F; F23; F23H; F23H9/00; F23H9/04; F23K; F23K3/00; F23K3/16; F23H2900/00; F23H2900/09041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1939177A
Cited
US1127940A
Cited
US2119554A
Cited
US2008648A
Cited
GB574829A
Cited
US2763220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-25 | 1962-02-24 | 1962-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-25 | 1966-02-24 | 1966-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-25 | 1970-02-24 | 1970-08-26 | $7700.00 | Window Closed / Lapsed |