US2469362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pump automatic air bleed valve
Assignee: Individual
•
Filing: 1944-10-02
•
Granted: 1949-05-10
•
Expires: 1964-10-02
Abstract
No abstract record available.
Inventors
- 👤 Bashark Nicholas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:03
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/04; F15B21/044; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2544; Y10T137/2557; Y10T137/2931; Y10T137/3003; Y10T137/3084; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7832
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB304905A
Cited
FR686588A
Cited
US1960144A
Cited
US2159056A
Cited
US2146204A
Cited
US2328118A
Cited
GB558398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-09 | 1952-11-08 | 1953-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-09 | 1956-11-08 | 1957-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-09 | 1960-11-08 | 1961-05-10 | $7700.00 | Window Closed / Lapsed |