US2120053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for shutting off fuel supply to a furnace or the like
Assignee: KANSAS CITY JOURNAL POST COMPA
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Filing: 1936-06-26
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Granted: 1938-06-07
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Expires: 1956-06-26
Abstract
No abstract record available.
Inventors
- 👤 Fehrenbach Daniel William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:13
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/06; F23N5/065; F23N2231/00; F23N2231/20; F23N2239/00; F23N2239/06
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) | 1941-06-06 | 1941-12-06 | 1942-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-06 | 1945-12-06 | 1946-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-06 | 1949-12-06 | 1950-06-07 | $7700.00 | Window Closed / Lapsed |