US1794191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gas-shut-off valve
Assignee: KITSON Co
•
Filing: 1928-03-08
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Granted: 1931-02-24
•
Expires: 1948-03-08
Abstract
No abstract record available.
Inventors
- 👤 Luther D Lovekin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:56
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/36; F16K17/38; F16K17/383; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1797; Y10T137/1819; Y10T137/2496; Y10T137/2511; Y10T137/4456; Y10T137/4643; Y10T137/4651
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) | 1934-02-23 | 1934-08-25 | 1935-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-02-23 | 1938-08-25 | 1939-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-02-23 | 1942-08-25 | 1943-02-24 | $7700.00 | Window Closed / Lapsed |