US2696807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual fuel engine
Assignee: Motors Liquidation Co
•
Filing: 1950-11-15
•
Granted: 1954-12-14
•
Expires: 1970-11-15
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Junge
- 👤 Carl A Bierlein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:34
CPC Classifications
F; F02; F02B; F02B7/00; F02B7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1962283A
Cited
US2306364A
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US2400219A
Cited
US2400247A
Cited
US2454222A
Cited
US2587376A
Cited
US2509960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-13 | 1958-06-14 | 1958-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-13 | 1962-06-14 | 1962-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-13 | 1966-06-14 | 1966-12-14 | $7700.00 | Window Closed / Lapsed |