Patent US2012020A successfully refreshed from Google Patents.
US2012020A
Expired / Lapsed
US
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Carburetor for internal combustion engines
Assignee: "LES CARBURATEURS DEFI"
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Filing: 1932-08-18
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Granted: 1935-08-20
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Expires: 1952-08-18
Abstract
No abstract record available.
Inventors
- 👤 Perrier Michel Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:33
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4314; F02M2700/4316
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) | 1938-08-19 | 1939-02-18 | 1939-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-08-19 | 1943-02-18 | 1943-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-08-19 | 1947-02-18 | 1947-08-20 | $7700.00 | Window Closed / Lapsed |