US2139194A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulation of fuel injection pumps for internal combustion engines
Assignee: Societe du Carburateur Zenith SA
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Filing: 1934-09-06
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Granted: 1938-12-06
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Expires: 1954-09-06
Abstract
No abstract record available.
Inventors
- 👤 Lichtenstein Johann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:14
CPC Classifications
F; F02; F02D; F02D1/00; F02D2700/00; F02D2700/02; F02D2700/0269; F02D2700/0282; F02D2700/0284; F02D2700/0292
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) | 1941-12-05 | 1942-06-06 | 1942-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-12-05 | 1946-06-06 | 1946-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-12-05 | 1950-06-06 | 1950-12-06 | $7700.00 | Window Closed / Lapsed |