US2631024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor having a density responsive fuel control
Assignee: RTX Corp
•
Filing: 1948-02-13
•
Granted: 1953-03-10
•
Expires: 1968-02-13
Abstract
No abstract record available.
Inventors
- 👤 Jr Guy E Beardsley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:20
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0261; F02D2700/0264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2393144A
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US2001865A
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US2035039A
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US2123038A
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US2307838A
Cited
CH229452A
Cited
US2382941A
Cited
US2332716A
Cited
US2411287A
Cited
US2411748A
Cited
US2411747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |