US2590333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve apparatus for fuel distributing systems
Assignee: Lockheed Martin Corp
•
Filing: 1945-05-14
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Granted: 1952-03-25
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Expires: 1965-05-14
Abstract
No abstract record available.
Inventors
- 👤 Allan H Lockheed
- 👤 Homer T Seale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:50
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/22; F16K3/24; F16K3/243; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86501; Y10T137/86718; Y10T137/86759; Y10T137/86791; Y10T137/86799; Y10T137/86807
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US584682A
Cited
US1477722A
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US1143999A
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US1588972A
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US2132030A
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US2360733A
Cited
US2365743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |