US3481315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid fuel supply systems for internal combustion engines
Assignee: CAV Ltd
•
Filing: 1967-10-31
•
Granted: 1969-12-02
•
Expires: 1987-10-31
Abstract
No abstract record available.
Inventors
- 👤 John Charles Powell Thornber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:44
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/44; F02M59/46; F02M59/462; F02M45/00; F02M45/12; F02M57/00; F02M57/02; F02M2700/00; F02M2700/07; F02M2700/078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3392715A
Cited
US3387597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |