Patent US2425380A successfully refreshed from Google Patents.
US2425380A
Expired / Lapsed
US
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Selector valve mechanism
Assignee: Consolidated Vultee Aircraft Corp
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Filing: 1943-06-19
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Granted: 1947-08-12
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Expires: 1963-06-19
Abstract
No abstract record available.
Inventors
- 👤 Carlos B Livers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:39
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/06; F15B13/08; B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2554
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1566111A
Cited
US1927700A
Cited
US2051137A
Cited
GB515617A
Cited
US2209418A
Cited
US2324690A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-11 | 1951-02-10 | 1951-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-11 | 1955-02-10 | 1955-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-11 | 1959-02-10 | 1959-08-12 | $7700.00 | Window Closed / Lapsed |