US2260077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection system for internal combustion engines
Assignee: Individual
•
Filing: 1939-05-03
•
Granted: 1941-10-21
•
Expires: 1959-05-03
Abstract
No abstract record available.
Inventors
- 👤 Kearney Arthur Richie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:42
CPC Classifications
F; F02; F02M; F02M57/00; F02M57/02; F02M57/022; F02M57/023; F02M2700/00; F02M2700/07; F02M2700/078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-10-20 | 1945-04-21 | 1945-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-10-20 | 1949-04-21 | 1949-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-10-20 | 1953-04-21 | 1953-10-21 | $7700.00 | Window Closed / Lapsed |