US2865355A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine fuel system
Assignee: California Research LLC
•
Filing: 1955-12-14
•
Granted: 1958-12-23
•
Expires: 1975-12-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Hilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:46
CPC Classifications
F; F02; F02M; F02M43/00; F02M37/00; F02M37/0076; F02M37/0088; F02M69/00; F02M69/46; F02M69/50; F02M2700/00; F02M2700/05; F02M2700/055; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1714284A
Cited
US1961350A
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DE639264C
Cited
US2163241A
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DE841225C
Cited
DE836125C
Cited
US2579215A
Cited
US2564306A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |