US2838938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine starter mechanisms
Assignee: Curtiss Wright Corp
•
Filing: 1955-11-14
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Granted: 1958-06-17
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Expires: 1975-11-14
Abstract
No abstract record available.
Inventors
- 👤 Columbus R Sacchini
- 👤 Donald R Tomko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:37
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/04; F16D43/14; F16D43/18; F02; F02N; F02N15/00; F02N15/02; F02N15/04; F16D41/00; F16D41/20; F16D41/206; Y; Y10; Y10T; Y10T74/00; Y10T74/13; Y10T74/131
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |