US2937014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float valve
Assignee: ACF Industries Inc
•
Filing: 1958-10-02
•
Granted: 1960-05-17
•
Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 George B Klaber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:35
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4328; F02M2700/4333; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7297
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |