US2747141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed control system
Assignee: Curtiss Wright Corp
•
Filing: 1950-10-06
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Granted: 1956-05-22
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Expires: 1970-10-06
Abstract
No abstract record available.
Inventors
- 👤 Edward K Hine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:19
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2302042A
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US2399685A
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US2431687A
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US2514178A
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US2543077A
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US2551306A
Cited
US2517703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |