US2623612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engine with lubricating oil cooler
Assignee: Graf & Stift Automobilfabrik A
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Filing: 1950-10-05
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Granted: 1952-12-30
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Expires: 1970-10-05
Abstract
No abstract record available.
Inventors
- 👤 Scheiterlein Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:53
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/38; E05F11/40; E05F11/405; F; F01; F01M; F01M1/00; F01M1/02; F01P; F01P11/00; F01P11/08; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55; F01M1/10; F01M5/00; F01M5/002; F01M5/02; F01M5/021; F01P1/00; F01P1/06; F01P1/10; F01P5/00; F01P5/02; F01P2005/025; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-30 | 1956-06-30 | 1956-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-30 | 1960-06-30 | 1960-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-30 | 1964-06-30 | 1964-12-30 | $7700.00 | Window Closed / Lapsed |