US2977102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle-operated inside carburetor vents
Assignee: ACF Industries Inc
•
Filing: 1959-07-06
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Granted: 1961-03-28
•
Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur L Roux
- 👤 Albert W Zub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:50
CPC Classifications
F; F02; F02M; F02M5/00; F02M5/08; F02M1/00; F02M2700/00; F02M2700/43; F02M2700/4302; F02M2700/4304; F02M2700/4311; Y; Y10; Y10S; Y10S261/00; Y10S261/67
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |