Patent US2440083A successfully refreshed from Google Patents.
US2440083A
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Control mechanism
Assignee: Curtiss Wright Corp
•
Filing: 1943-05-19
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Granted: 1948-04-20
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Expires: 1963-05-19
Abstract
No abstract record available.
Inventors
- 👤 Paul R Gley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:50
CPC Classifications
H; H02; H02P; H02P23/00; H02P23/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB372007A
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US2127687A
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US1939443A
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US1986915A
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GB451520A
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US2134982A
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US2166824A
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US2100934A
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US2187364A
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US2142602A
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US2166316A
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US2357055A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |