US3307527A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compression release for internal combustion engines
Assignee: Individual
•
Filing: 1965-08-16
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Granted: 1967-03-07
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Expires: 1985-08-16
Abstract
No abstract record available.
Inventors
- 👤 David E Weglage
- 👤 Albert A Weglage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:39
CPC Classifications
F; F01; F01L; F01L13/00; F01L13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AS A NEW ARTICLE OF MANUFACTURE; A COMPRESSION RELEASE CONTROL LEVER FOR USE IN CONNECTION WITH A RECIPROCABLE PISTON EQUIPPED FOUR STROKE CYCLE INTERNAL COMBUSTION ENGINE HAVING A CRANKCASE AND A CHAMBER COMMUNICATING WITH SAID CRANKCASE AND ALSO HAVING MEANS FOR VENTING SAID CHAMBER, WHICH HAS A FIRST ARM AND A SECOND ARM AND A BORE FOR RECEIVING PIVOT MEANS, SAID FIRST ARM HAVING A PORTION OPERABLE TO ACT UPON THE RECIPROCABLE VALVE MEANS OF AN ENGINE OF THE ABOVE MENTIONED TYPE SO AS TO PREVENT SAID VALVE MEANS FROM CLOSING ITS VALVE PORT, AND SAID SECOND ARM BEING OPERABLE BY A GASEOUS FLOW FROM SAID CRANKCASE TO SAID CHAMBER AT ENGINE IDLING SPEED AND ABOVE TO MOVE SAID FIRST ARM INTO AN INACTIVE POSITION.
Claim 2
Dependent Claim
125 words
AS A NEW ARTICLE OF MANUFACTURE; A COMPRESSION RELEASE CONTROL LEVER FOR USE IN CONNECTION WITH A RECIPROCABLE PISTON EQUIPPED FOUR STROKE CYCLE INTERNAL COMBUSTION ENGINE HAVING A CRANKCASE AND A CHAMBER COMMUNICATING WITH SAID CRANKCASE AND ALSO HAVING MEANS FOR VENTING SAID CHAMBER, WHICH HAS A FIRST ARM AND A SECOND ARM AND A BORE FOR RECEIVING PIVOT MEANS, SAID FIRST ARM HAVING A PORTION OPERABLE TO ACT UPON THE RECIPROCABLE VALVE MEANS OF AN ENGINE OF THE ABOVE MENTIONED TYPE SO AS TO PREVENT SAID VALVE MEANS FROM CLOSING ITS VALVE PORT, AND SAID SECOND ARM BEING OPERABLE BY A GASEOUS FLOW FROM SAID CRANKCASE TO SAID CHAMBER AT ENGINE IDLING SPEED AND ABOVE TO MOVE SAID FIRST ARM INTO AN INACTIVE POSITION.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |