US3299869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve for internal combustion engines
Assignee: Individual
•
Filing: 1966-01-10
•
Granted: 1967-01-24
•
Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Donald L Sicklesteel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:06
CPC Classifications
F; F01; F01L; F01L3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN INTERNAL COMBUSTION ENGINE COMPRISING AN ENGINE BLOCK FORMED WITH CYLINDERS, AND A CYLINDER HEAD CLOSING ONE END OF THE CYLINDERS AND FORMED WITH INTAKE AND EXHAUST PORTS, VALVE MEANS FOR CLOSING SUCH PORTS, AT LEAST ONE SET OF SAID VALVE MEANS COMPRISING A PLATE OF A SIZE AND SHAPE TO CLOSE ITS PORT, MEANS SUPPORTING SAID PLATE FOR OSCILLATION ALONG A LINE TRANSVERSELY ACROSS THE OPENING AND INTERMEDIATE OPPOSITE EDGES OF THE PLATE, BUT ADJACENT THE GENERAL PLANE OF THE OPENING, BETWEEN A CLOSED POSITION AND AN OPEN POSITION, IN WHICH OPEN POSITION THE PLATE LIES IN A PLANE GENERALLY ALIGNED WITH THE FLOW OF GAS THROUGH THE PORT, THE EDGES OF THE PORT AT OPPOSITE SIDES OF THE AXIS OF OSCILLATION, FOR ENGAGEMENT BY OPPOSITE SURFACES OF THE PLATE, BEING FORMED AS SEATS, AND THE COMPLEMENTAL EDGES OF THE PLATE BEING FORMED TO SEAT THEREON, AND MEANS TO OSCILLATE THE VALVE PLATES IN PREDETERMINED SEQUENCE.
Claim 2
Dependent Claim
157 words
AN INTERNAL COMBUSTION ENGINE COMPRISING AN ENGINE BLOCK FORMED WITH CYLINDERS, AND A CYLINDER HEAD CLOSING ONE END OF THE CYLINDERS AND FORMED WITH INTAKE AND EXHAUST PORTS, VALVE MEANS FOR CLOSING SUCH PORTS, AT LEAST ONE SET OF SAID VALVE MEANS COMPRISING A PLATE OF A SIZE AND SHAPE TO CLOSE ITS PORT, MEANS SUPPORTING SAID PLATE FOR OSCILLATION ALONG A LINE TRANSVERSELY ACROSS THE OPENING AND INTERMEDIATE OPPOSITE EDGES OF THE PLATE, BUT ADJACENT THE GENERAL PLANE OF THE OPENING, BETWEEN A CLOSED POSITION AND AN OPEN POSITION, IN WHICH OPEN POSITION THE PLATE LIES IN A PLANE GENERALLY ALIGNED WITH THE FLOW OF GAS THROUGH THE PORT, THE EDGES OF THE PORT AT OPPOSITE SIDES OF THE AXIS OF OSCILLATION, FOR ENGAGEMENT BY OPPOSITE SURFACES OF THE PLATE, BEING FORMED AS SEATS, AND THE COMPLEMENTAL EDGES OF THE PLATE BEING FORMED TO SEAT THEREON, AND MEANS TO OSCILLATE THE VALVE PLATES IN PREDETERMINED SEQUENCE.
References Cited (Backward Citations)
US1397585A
Cited
US1542617A
Cited
US1639217A
Cited
US1744798A
Cited
US2011641A
Cited
US2622574A
Cited
US3097633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |