US3460814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-air mixture intake systems for internal combustion engines
Assignee: Zenith Carburetter Co Ltd
•
Filing: 1967-08-09
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Granted: 1969-08-12
•
Expires: 1987-08-09
Abstract
No abstract record available.
Inventors
- 👤 Cormac Garrett O'neill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:04
CPC Classifications
F; F02; F02M; F02M7/00; F02M7/12; F02M7/14; F02M7/16; F02M7/17; F02M3/00; F02M3/08; F02M3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2102846A
Cited
US2415491A
Cited
US2681213A
Cited
US2824726A
Cited
US3210055A
Cited
US3249344A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |