US2496710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel controlling apparatus for longitudinally movable combustion chambers
Assignee: DANIEL AND FLORENCE GUGGENHEIM
•
Filing: 1946-02-14
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Granted: 1950-02-07
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Expires: 1966-02-14
Abstract
No abstract record available.
Inventors
- 👤 Esther C Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:56
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62; F02K9/64; F02K9/44; F02K9/56; Y; Y10; Y10S; Y10S60/00; Y10S60/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US866330A
Cited
US1291032A
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US1369672A
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FR625104A
Cited
US1820154A
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US1929778A
Cited
US1842446A
Cited
CH156785A
Cited
DE636723C
Cited
US2111315A
Cited
US2103274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |