Patent US2266930A successfully refreshed from Google Patents.
US2266930A
Expired / Lapsed
US
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Automatic shut-off valve device
Assignee: Individual
•
Filing: 1938-08-15
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Granted: 1941-12-23
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Expires: 1958-08-15
Abstract
No abstract record available.
Inventors
- 👤 Orville C Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:10
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/20; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7313; Y10T137/7316; Y10T137/7319; Y10T137/7323; Y10T137/7358; Y10T137/7381; Y10T137/7394; Y10T137/8593; Y10T137/87917; Y10T137/88054
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) | 1944-12-22 | 1945-06-23 | 1945-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-12-22 | 1949-06-23 | 1949-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-12-22 | 1953-06-23 | 1953-12-23 | $7700.00 | Window Closed / Lapsed |