US2800026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine starting device
Assignee: Curtiss Wright Corp
•
Filing: 1953-04-20
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Granted: 1957-07-23
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Expires: 1973-04-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Stanley B Kurzina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:17
CPC Classifications
F; F02; F02N; F02N15/00; F02N15/02; F02N15/04; F02N15/06; F02N15/062; F02N15/063; F16; F16D; F16D41/00; F16D41/22; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131; Y10T74/21; Y10T74/2121; Y10T74/2122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1276862A
Cited
US2002561A
Cited
US2585382A
Cited
US2636399A
Cited
US2635471A
Cited
US2635470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |