US2591581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trip and reset mechanism for float operated liquid fuel controlling valves
Assignee: Detroit Lubricator Co
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Filing: 1949-07-09
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Granted: 1952-04-01
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Expires: 1969-07-09
Abstract
No abstract record available.
Inventors
- 👤 Carl H Millerwise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:10
CPC Classifications
F; F23; F23D; F23D5/00; F23D5/12; F23D5/14; E; E04; E04H; E04H7/00; E04H7/02; E04H7/18; E04H7/20; F24; F24C; F24C5/00; F24C5/16; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/1842; Y10T137/1939; Y10T137/1963; Y10T137/1987; Y10T137/7287; Y10T137/7329; Y10T137/7358; Y10T137/7381; Y10T137/7394; Y10T137/7397
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |