US2925069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burning apparatus
Assignee: Riley Power Inc
•
Filing: 1954-12-29
•
Granted: 1960-02-16
•
Expires: 1974-12-29
Abstract
No abstract record available.
Inventors
- 👤 Gunter R Terpe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:25
CPC Classifications
F; F23; F23C; F23C15/00; F22; F22B; F22B37/00; F22B37/02; F22B37/10; F22B37/14; F22B37/146; Y; Y10; Y10S; Y10S116/00; Y10S116/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB297835A
Cited
US2110209A
Cited
US2357301A
Cited
US2717637A
Cited
US2707515A
Cited
US2791271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |