US2890657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unit injector pump with pilot injection
Assignee: Motors Liquidation Co
•
Filing: 1955-08-12
•
Granted: 1959-06-16
•
Expires: 1975-08-12
Abstract
No abstract record available.
Inventors
- 👤 John J May
- 👤 Ray C Ulrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:38
CPC Classifications
F; F02; F02M; F02M59/00; F02M59/44; F02M45/00; F02M45/02; F02M45/04; F02M45/06; F02M57/00; F02M57/02; F02M59/48; F02M2700/00; F02M2700/07; F02M2700/078; F02M2700/13; F02M2700/1317; F02M2700/1335
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA485461A
Cited
US1993759A
Cited
US1999330A
Cited
US2306364A
Cited
US2430801A
Cited
US2521224A
Cited
US2420164A
Cited
US2599018A
Cited
US2696807A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |