US2687123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection system
Assignee: FUELCHARGER Corp
•
Filing: 1950-12-05
•
Granted: 1954-08-24
•
Expires: 1970-12-05
Abstract
No abstract record available.
Inventors
- 👤 Ben G Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:04
CPC Classifications
F; F02; F02M; F02M69/00; F02M69/46; F02M69/462; F02M69/465; F02M51/00; F02M51/02; F02M51/04; F02M61/00; F02M61/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1557206A
Cited
US1684073A
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US1912057A
Cited
US1826535A
Cited
US2341257A
Cited
US2313264A
Cited
US2308746A
Cited
US2435902A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |