US2869625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Register
Assignee: Riley Power Inc
•
Filing: 1954-03-18
•
Granted: 1959-01-20
•
Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ake O Hogberg
- 👤 Alan C Neilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:25
CPC Classifications
F; F23; F23C; F23C7/00; F23C7/002; F23C7/004; F23C7/006; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/8741; Y10T137/87442; Y10T137/87467
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1513278A
Cited
US1655246A
Cited
US1697568A
Cited
US1795454A
Cited
US2211684A
Cited
US2439554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |