US2640423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel system
Assignee: Motors Liquidation Co
•
Filing: 1950-01-18
•
Granted: 1953-06-02
•
Expires: 1970-01-18
Abstract
No abstract record available.
Inventors
- 👤 Floyd J Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:27
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/22; F28; F28F; F28F23/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US615760A
Cited
US1049894A
Cited
US1477850A
Cited
US1825661A
Cited
US1814857A
Cited
US2218565A
Cited
US2366388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |