US2859768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for fluid pumping system and regulation means therefor
Assignee: Bendix Aviation Corp
•
Filing: 1953-05-07
•
Granted: 1958-11-11
•
Expires: 1973-05-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter D Teague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:34
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/185; G05D23/1852; F; F04; F04B; F04B49/00; F04B49/10; F04D; F04D15/00; F04D15/0066; G05D7/00; G05D7/03; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7737
Claims Analysis
Total Claims: 0
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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) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |