US2757967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel injection nozzle for diesel engines
Assignee: Durex S A
•
Filing: 1955-04-20
•
Granted: 1956-08-07
•
Expires: 1975-04-20
Abstract
No abstract record available.
Inventors
- 👤 Lang Heinrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:52
CPC Classifications
F; F02; F02M; F02M61/00; F02M61/04; B; B05; B05B; B05B1/00; B05B1/30; B05B1/32; F02M61/10; F02M2700/00; F02M2700/07; F02M2700/074
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |