US2767692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of operating an internal combustion engine
Assignee: Texaco Inc
•
Filing: 1953-04-29
•
Granted: 1956-10-23
•
Expires: 1973-04-29
Abstract
No abstract record available.
Inventors
- 👤 Everett M Barber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:38
CPC Classifications
F; F02; F02B; F02B17/00; F02B17/005; F02B3/00; F02B3/02; F02B2275/00; F02B2275/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2484009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |