US970411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve mechanism for controlling fluid admission.
Assignee: Individual
•
Filing: 1908-12-14
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Granted: 1910-09-13
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Expires: 1928-12-14
Abstract
No abstract record available.
Inventors
- 👤 George Woodall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:37
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/48; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7313; Y10T137/7316; Y10T137/7319; Y10T137/7358; Y10T137/7368; Y10T137/7371
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1913-09-12 | 1914-03-14 | 1914-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-12 | 1918-03-14 | 1918-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-12 | 1922-03-14 | 1922-09-13 | $7700.00 | Window Closed / Lapsed |