US3186387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die castable cylinder head construction
Assignee: Motors Liquidation Co
•
Filing: 1963-10-09
•
Granted: 1965-06-01
•
Expires: 1983-10-09
Abstract
No abstract record available.
Inventors
- 👤 Adelbert E Kolbe
- 👤 Kutkus Leonardas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:11
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/26; F02F1/36; F02F1/38; F02F2001/244; F02F2001/247; F02F2200/00; F02F2200/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A CYLINDER HEAD HAVING A COMBUSTION CHAMBER, INTAKE AND EXHAUST MEANS COMMUNICATING WITH THE COMBUSTION CHAMBER AND INCLUDING VALVE RECESS MEANS HAVING A VALVE SEAT IN THE COMBUSTION CHAMBER AND A VALVE STEM COLUMN OPENING AT AN EXTERIOR SURFACE OF THE HEAD, WATER JACKET MEANS FORMED WITHIN THE HEAD IN HEAT TRANSFER RELATIONSHIP WITH THE COMBUSTION CHAMBER AND INTAKE AND EXHAUST MEANS, SAID WATER JACKET MEANS COMPRISING; WATER MANIFOLD PASSAGE MEANS FORMED IN THE HEAD IMMEDIATELY ADJACENT SAID VALVE RECESS MEANS AND HAVING RECTILINEAR PORTIONS OPENING AT OPPOSITE SIDES OF THE HEAD, SAID PORTIONS BEING FORMED IN CAST STRUCTURE OF THE HEAD CHARACTERIZED BY HAVING INNER PASSAGE WALL SURFACES WHICH OPEN OUTWARDLY WITH RESPECT TO THE RESPECTIVE AXES OF SAID PORTIONS AND TOWARD THE RESPECTIVE OPPOSITE SIDES WHEREBY A PAIR OF CORES ARE MADE WITHDRAWABLE IN OPPOSITE DIRECTIONS THROUGH SAID OPPOSITE SIDES.
Claim 2
Dependent Claim
142 words
A CYLINDER HEAD HAVING A COMBUSTION CHAMBER, INTAKE AND EXHAUST MEANS COMMUNICATING WITH THE COMBUSTION CHAMBER AND INCLUDING VALVE RECESS MEANS HAVING A VALVE SEAT IN THE COMBUSTION CHAMBER AND A VALVE STEM COLUMN OPENING AT AN EXTERIOR SURFACE OF THE HEAD, WATER JACKET MEANS FORMED WITHIN THE HEAD IN HEAT TRANSFER RELATIONSHIP WITH THE COMBUSTION CHAMBER AND INTAKE AND EXHAUST MEANS, SAID WATER JACKET MEANS COMPRISING; WATER MANIFOLD PASSAGE MEANS FORMED IN THE HEAD IMMEDIATELY ADJACENT SAID VALVE RECESS MEANS AND HAVING RECTILINEAR PORTIONS OPENING AT OPPOSITE SIDES OF THE HEAD, SAID PORTIONS BEING FORMED IN CAST STRUCTURE OF THE HEAD CHARACTERIZED BY HAVING INNER PASSAGE WALL SURFACES WHICH OPEN OUTWARDLY WITH RESPECT TO THE RESPECTIVE AXES OF SAID PORTIONS AND TOWARD THE RESPECTIVE OPPOSITE SIDES WHEREBY A PAIR OF CORES ARE MADE WITHDRAWABLE IN OPPOSITE DIRECTIONS THROUGH SAID OPPOSITE SIDES.
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) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |