US2613683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic cutoff valve
Assignee: Individual
•
Filing: 1946-07-17
•
Granted: 1952-10-14
•
Expires: 1966-07-17
Abstract
No abstract record available.
Inventors
- 👤 Carl E Baird
- 👤 Paul V Mullins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:07
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/20; F16K17/22; F16K17/32; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1692; Y10T137/1714; Y10T137/7722; Y10T137/7723; Y10T137/7726; Y10T137/7727; Y10T137/7729; Y10T137/7771; Y10T137/7781; Y10T137/7784; Y10T137/7787; Y10T137/7791; Y10T137/7837; Y10T137/7838
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE135079C
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US820598A
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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) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |