US3159148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder head
Assignee: Daimler Benz AG
•
Filing: 1962-11-27
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Granted: 1964-12-01
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Friedrich K H Nallinger
- 👤 Kraus Ludwig
- 👤 Dobler Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:05
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4228; F02B; F02B1/00; F02B1/02; F02B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A CYLINDER HEAD FOR A MULTI-CYLINDER MULTI-CYCLE INLINE COMBUSTION ENGINE OPERATING AT A COMPRESSION RATIO OF ABOUT 1:8 TO 1:14 AND PROVIDED WITH WATER COOLING AND EXTERNALLY APPLIED IGNITION, COMPRISING: INLET AND OUTLET CHANNEL MEANS FOR EACH CYLINDER MEANS, INLET AND OUTLET VALVE MEANS HAVING VALVE GUIDE MEANS FOR CONTROLLING RESPECTIVE INLET AND OUTLET CHANNEL MEANS AND SUSPENDED SUBSTANTIALLY PARALLELLY TO THE CYLINDER LONGITUDINAL AXIS, THE INLET CHANNEL MEANS LEADING IN THE DIRECTION TOWARD ONE LONGITUDINAL SIDE OF THE CYLINDER HEAD AND THE OUTLET CHANNEL MEANS LEADING IN THE DIRECTION TOWARD THE OTHER LONGITUDINAL SIDE OF THE CYLINDER HEAD, THE INLET CHANNEL MEANS FOR EACH CYLINDER MEANS BEING CONSTRUCTED SUBSTANTIALLY SPIRALLY-SHAPED ABOUT
Claim 2
Dependent Claim
112 words
A CYLINDER HEAD FOR A MULTI-CYLINDER MULTI-CYCLE INLINE COMBUSTION ENGINE OPERATING AT A COMPRESSION RATIO OF ABOUT 1:8 TO 1:14 AND PROVIDED WITH WATER COOLING AND EXTERNALLY APPLIED IGNITION, COMPRISING: INLET AND OUTLET CHANNEL MEANS FOR EACH CYLINDER MEANS, INLET AND OUTLET VALVE MEANS HAVING VALVE GUIDE MEANS FOR CONTROLLING RESPECTIVE INLET AND OUTLET CHANNEL MEANS AND SUSPENDED SUBSTANTIALLY PARALLELLY TO THE CYLINDER LONGITUDINAL AXIS, THE INLET CHANNEL MEANS LEADING IN THE DIRECTION TOWARD ONE LONGITUDINAL SIDE OF THE CYLINDER HEAD AND THE OUTLET CHANNEL MEANS LEADING IN THE DIRECTION TOWARD THE OTHER LONGITUDINAL SIDE OF THE CYLINDER HEAD, THE INLET CHANNEL MEANS FOR EACH CYLINDER MEANS BEING CONSTRUCTED SUBSTANTIALLY SPIRALLY-SHAPED ABOUT
References Cited (Backward Citations)
US2318914A
Cited
US2647499A
Cited
US2716399A
Cited
GB844352A
Cited
FR1201809A
Cited
GB877560A
Cited
US3054390A
Cited
FR1264423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |