Patent US3247835A successfully refreshed from Google Patents.
US3247835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compression release for internal combustion engines
Assignee: Individual
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Filing: 1964-01-08
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Granted: 1966-04-26
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Expires: 1984-01-08
Abstract
No abstract record available.
Inventors
- 👤 David E Weglage
- 👤 Albert A Weglage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:04
CPC Classifications
F; F01; F01L; F01L13/00; F01L13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
AN INTERNAL COMBUSTION ENGINE, WHICH COMPRISES: A CYLINDER, A CAM SHAFT, A CRANK CASE, A CHAMBER, AIR CONDUIT MEANS ESTABLISHING CONNUNICATION BETWEEB THE THE INTERIOR OF SAID CRANK CASE AND SAID CHAMBER, A VALVE MEMBER ASSOCIATED WITH SAID CYLINDER AND OPERABLE DURING NORMAL OPERATION OF SAID ENGINE ALTERNATELY TO MOVE INTO OPENING AND CLOSING POSITION, RECIPROCABLE MEANS ACTUABLE BY SAID CAM SHAFT AND OPERABLE TO CONTROL SAID MOVEMENT OF SAID VALVE MEMBER, A CONTROL MEMBER MOVABLY ARRANGED IN SAID CHAMBER AND MOVABLE MEANS AND TO POSITION SO AS TO ENGAGE SAID RECIPROCABLE MEANS AND TO CAUSE THE SAME TO PREVENT SAID VALVE MEMBER FROM MOVING INTO ITS CLOSING POSITION, MAGNETIC MEANS ARRANGED ADJACENT SAID CONTROL MEMBER FOR URGING THE LATTER INTO SAID EFFECTIVE POSITION, SAID CONTROL MEMBER ALSO BEING MOVABLE OUT OF SAID EFFECTIVE POSITION SO AS TO DISENGAGE SAID RECIPROCABLE MEANS AND THEREBY TO PERMIT NORMAL OPERATION OF SAID VALVE MEMBER INCLUDING ITS MOVEMENT INTO CLOSING POSITION, AND MEANS CONNECTED TO SAID CONTROL MEMBER AND RESPONSIVE TO A CERTAIN PRESSURE OF AIR PASSING FROM SAID CRANK CASE THROUGH SAID CONDIUT MEANS INTO SAID CHAMBER AUTOMATICALLY TO BRING ABOUT MOVEMENT OF AND CONTROL MEMBER OUT OF SAID EFFECTIVE POSITION.
Claim 2
Dependent Claim
199 words
AN INTERNAL COMBUSTION ENGINE, WHICH COMPRISES: A CYLINDER, A CAM SHAFT, A CRANK CASE, A CHAMBER, AIR CONDUIT MEANS ESTABLISHING CONNUNICATION BETWEEB THE THE INTERIOR OF SAID CRANK CASE AND SAID CHAMBER, A VALVE MEMBER ASSOCIATED WITH SAID CYLINDER AND OPERABLE DURING NORMAL OPERATION OF SAID ENGINE ALTERNATELY TO MOVE INTO OPENING AND CLOSING POSITION, RECIPROCABLE MEANS ACTUABLE BY SAID CAM SHAFT AND OPERABLE TO CONTROL SAID MOVEMENT OF SAID VALVE MEMBER, A CONTROL MEMBER MOVABLY ARRANGED IN SAID CHAMBER AND MOVABLE MEANS AND TO POSITION SO AS TO ENGAGE SAID RECIPROCABLE MEANS AND TO CAUSE THE SAME TO PREVENT SAID VALVE MEMBER FROM MOVING INTO ITS CLOSING POSITION, MAGNETIC MEANS ARRANGED ADJACENT SAID CONTROL MEMBER FOR URGING THE LATTER INTO SAID EFFECTIVE POSITION, SAID CONTROL MEMBER ALSO BEING MOVABLE OUT OF SAID EFFECTIVE POSITION SO AS TO DISENGAGE SAID RECIPROCABLE MEANS AND THEREBY TO PERMIT NORMAL OPERATION OF SAID VALVE MEMBER INCLUDING ITS MOVEMENT INTO CLOSING POSITION, AND MEANS CONNECTED TO SAID CONTROL MEMBER AND RESPONSIVE TO A CERTAIN PRESSURE OF AIR PASSING FROM SAID CRANK CASE THROUGH SAID CONDIUT MEANS INTO SAID CHAMBER AUTOMATICALLY TO BRING ABOUT MOVEMENT OF AND CONTROL MEMBER OUT OF SAID EFFECTIVE POSITION.
References Cited (Backward Citations)
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GB191228296A
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US1437738A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |