US3058728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Throttle-operated inside carburetor vents
Assignee: —
•
Filing: —
•
Granted: 1962-10-16
•
Expires: 1979-10-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:35
CPC Classifications
F; F02; F02M; F02M1/00; F02M1/08; F02M1/10; F02M17/00; F02M17/02; F02M17/04; F02M3/00; F02M3/08; F02M7/00; F02M7/12; 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) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |