US3065950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hermetically sealed butterfly poppet valve
Assignee: ATK Launch Systems LLC
•
Filing: 1961-01-17
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Granted: 1962-11-27
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Expires: 1981-01-17
Abstract
No abstract record available.
Inventors
- 👤 Lloyd W Goldberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:47
CPC Classifications
F; F16; F16K; F16K1/00; F16K1/24; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1782
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US373000A
Cited
US809859A
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US923808A
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US1248578A
Cited
FR496005A
Cited
US1595038A
Cited
GB405439A
Cited
US2960096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |