US3138148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internal combustion engines
Assignee: Simca Automobiles SA
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Filing: 1962-05-23
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Granted: 1964-06-23
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Expires: 1982-05-23
Abstract
No abstract record available.
Inventors
- 👤 Cauvin Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:22
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/02; F01M13/021; F01M13/022; F01M13/023; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7748; Y10T137/7752
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN INTERNAL COMBUSTION ENGINE HAVING AN OIL FILLER CAP DEFINING AN ENCLOSED SPACE IN COMMUNICATION WITH THE CRANKCASE OF THE ENGINE, A BREATHER PIPE EXTENDING FROM SAID OIL FILLER CAP FOR CONNECTING THE CRANKCASE OF THE ENGINE WITH THE INTAKE SYSTEM OF THE LATTER, AND A VALVE LOCATED IN SAID FILLER CAP TO REGULATE THE COMMUNICATION BETWEEN SAID ENCLOSED SPACE AND THE BREATHER PIPE AND BEING SUBJECT TO THE ACTION OF THE REDUCED PRESSURE PREVAILING IN THE CRANKCASE.
Claim 2
Dependent Claim
78 words
AN INTERNAL COMBUSTION ENGINE HAVING AN OIL FILLER CAP DEFINING AN ENCLOSED SPACE IN COMMUNICATION WITH THE CRANKCASE OF THE ENGINE, A BREATHER PIPE EXTENDING FROM SAID OIL FILLER CAP FOR CONNECTING THE CRANKCASE OF THE ENGINE WITH THE INTAKE SYSTEM OF THE LATTER, AND A VALVE LOCATED IN SAID FILLER CAP TO REGULATE THE COMMUNICATION BETWEEN SAID ENCLOSED SPACE AND THE BREATHER PIPE AND BEING SUBJECT TO THE ACTION OF THE REDUCED PRESSURE PREVAILING IN THE CRANKCASE.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |