US2506782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic ash level control mechanism for gas producer units
Assignee: Individual
•
Filing: 1946-05-20
•
Granted: 1950-05-09
•
Expires: 1966-05-20
Abstract
No abstract record available.
Inventors
- 👤 Fallon John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:13
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/02; C10J3/20; C10J3/34; C10J3/40; C10J3/42; C10J3/30; C10J3/32; C10J3/72; C10J3/723; C10J3/74; C10J3/76; C10J2300/00; C10J2300/09; C10J2300/0953; C10J2300/0956
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2118651A
Cited
US1862477A
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US1863677A
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US1887768A
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US1984852A
Cited
US2022716A
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US2074431A
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US2243970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-08 | 1953-11-07 | 1954-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-08 | 1957-11-07 | 1958-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-08 | 1961-11-07 | 1962-05-09 | $7700.00 | Window Closed / Lapsed |