US3313281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crankcase ventilation system
Assignee: Motors Liquidation Co
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Filing: 1965-03-24
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Granted: 1967-04-11
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Expires: 1985-03-24
Abstract
No abstract record available.
Inventors
- 👤 Harold R Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:59
CPC Classifications
F; F01; F01M; F01M13/00; F01M13/02; F01M13/021; F01M13/022; F01M13/025; F01M13/0033
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
FOR USE WITH AN INTERNAL COMBUSTION ENGINE HAVING A CRANKCASE AND AN INDUCTION SYSTEM INCLUDING THROTTLING MEANS, A CRANKCASE VENTILATION SYSTEM COMPRISING CONDUIT MEANS CONNECTING THE CRANKCASE WITH THE INDUCTION SYSTEM UPSTREAM OF THE THROTTLING MEANS TO CARRY CRANKCASE VAPORS TO THE INDUCTION SYSTEM AND INLET MEANS ON SAID CRANKCASE TO ADMIT VENTILATING AIR THERETO, SAID INLET MEANS BEING CONNECTED WITH THE INDUCTION SYSTEM DOWNSTREAM OF THE THROTTLING MEANS WHEREBY EXCESS CRANKCASE VAPORS ESCAPING INTO SAID INLET MEANS WILL BE DRAWN INTO THE INDUCTION SYSTEM.
Claim 2
Dependent Claim
85 words
FOR USE WITH AN INTERNAL COMBUSTION ENGINE HAVING A CRANKCASE AND AN INDUCTION SYSTEM INCLUDING THROTTLING MEANS, A CRANKCASE VENTILATION SYSTEM COMPRISING CONDUIT MEANS CONNECTING THE CRANKCASE WITH THE INDUCTION SYSTEM UPSTREAM OF THE THROTTLING MEANS TO CARRY CRANKCASE VAPORS TO THE INDUCTION SYSTEM AND INLET MEANS ON SAID CRANKCASE TO ADMIT VENTILATING AIR THERETO, SAID INLET MEANS BEING CONNECTED WITH THE INDUCTION SYSTEM DOWNSTREAM OF THE THROTTLING MEANS WHEREBY EXCESS CRANKCASE VAPORS ESCAPING INTO SAID INLET MEANS WILL BE DRAWN INTO THE INDUCTION SYSTEM.
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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |