Patent US2494630A successfully refreshed from Google Patents.
US2494630A
Expired / Lapsed
US
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Automatic resetting device for governors
Assignee: RTX Corp
•
Filing: 1944-01-26
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Granted: 1950-01-17
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Expires: 1964-01-26
Abstract
No abstract record available.
Inventors
- 👤 Nelson R Richmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:09
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR820653A
Cited
US2137689A
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US2174717A
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US2261145A
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US2260469A
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US2227593A
Cited
US2343382A
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US2352736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |