US1864256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine starting apparatus
Assignee: Eclipse Aviation Corp
•
Filing: 1931-06-19
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Granted: 1932-06-21
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Expires: 1951-06-19
Abstract
No abstract record available.
Inventors
- 👤 Romeo M Nardone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:56
CPC Classifications
F; F02; F02N; F02N19/00; F02N19/001; F16; F16H; F16H1/00; F16H1/28; F16H1/2809; F16H1/2818; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131; Y10T74/134
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-06-21 | 1935-12-21 | 1936-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-06-21 | 1939-12-21 | 1940-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-06-21 | 1943-12-21 | 1944-06-21 | $7700.00 | Window Closed / Lapsed |