US2625169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic shutoff device
Assignee: Individual
•
Filing: 1950-10-12
•
Granted: 1953-01-13
•
Expires: 1970-10-12
Abstract
No abstract record available.
Inventors
- 👤 Tom E Parrish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:27
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/42; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3009; Y10T137/3012; Y10T137/3084; Y10T137/309; Y10T137/3099; Y10T137/7287; Y10T137/7303; Y10T137/7313; Y10T137/7323; Y10T137/7358; Y10T137/7365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1183513A
Cited
US2210751A
Cited
US2292509A
Cited
US2322304A
Cited
US2456170A
Cited
US2387858A
Cited
US2496518A
Cited
US2489461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |