US3241534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankcase vapor recycling system
Assignee: Motors Liquidation Co
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Filing: 1963-08-23
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Granted: 1966-03-22
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Wallace M Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:24
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/02; F01M13/021; F01M13/022; F01M13/023; F02; F02B; F02B2275/00; F02B2275/34; F02B75/00; F02B75/16; F02B75/18; F02B75/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A PAIR OF CYLINDERS, A COMPARTMENT WITHIN THE ENGINE COMMUNICATING WITH ONE OF THE ENDS OF SAID CYLINDERS, A PAIR OF PASSAGE MEANS COMMUNICATING WITH THE OTHER ENDS OF SAID CYLINDERS, INCLUDING A SEPARATING PARTITION AND HAVING A COMMON WALL WITH SAID COMPARTMENT, THE IMPROVEMENT COMPRISING MEANS LOCATED INTERNALLY OF SAID ENGINE, COMMUNICATING SAID COMPARTMENT WITH SAID PAIR OF PASSAGE MEANS THROUGH SAID COMMON WALL AND SAID PARTITION.
Claim 2
Dependent Claim
74 words
IN AN INTERNAL COMBUSTION ENGINE HAVING A PAIR OF CYLINDERS, A COMPARTMENT WITHIN THE ENGINE COMMUNICATING WITH ONE OF THE ENDS OF SAID CYLINDERS, A PAIR OF PASSAGE MEANS COMMUNICATING WITH THE OTHER ENDS OF SAID CYLINDERS, INCLUDING A SEPARATING PARTITION AND HAVING A COMMON WALL WITH SAID COMPARTMENT, THE IMPROVEMENT COMPRISING MEANS LOCATED INTERNALLY OF SAID ENGINE, COMMUNICATING SAID COMPARTMENT WITH SAID PAIR OF PASSAGE MEANS THROUGH SAID COMMON WALL AND SAID PARTITION.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |