US2672329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carburetor of combustion engines with automatic fuel regulation
Assignee: Individual
•
Filing: 1950-07-06
•
Granted: 1954-03-16
•
Expires: 1970-07-06
Abstract
No abstract record available.
Inventors
- 👤 Zarnack Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:46
CPC Classifications
F; F02; F02M; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4304; F02M2700/4311; Y; Y10; Y10S; Y10S261/00; Y10S261/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2052225A
Cited
US2447264A
Cited
US2318008A
Cited
US2428377A
Cited
US2447791A
Cited
US2520120A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |