Patent US3145695A successfully refreshed from Google Patents.
US3145695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder block for an internal combustion engine
Assignee: Motors Liquidation Co
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Filing: 1963-06-17
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Granted: 1964-08-25
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 George W Conover
- 👤 Kenneth L Hulsing
- 👤 Joseph G Koehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:00
CPC Classifications
F; F02; F02F; F02F7/00; F02F7/0021; F02F7/0031; F02B; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1816; F02B2275/00; F02B2275/34; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A CYLINDER BLOCK FOR A TWO-STROKE UNIFLOW SCAVENGED INTERNAL COMBUSTION ENGINE HAVING A PLURALITY OF INLINE CYLINDERS, SAID CYLINDER BLOCK HAVING SUBSTANTIAL SYMMETRY ABOUT A LONGITUDINALLY EXTENDING MEDIAN PLANE AND COMPRISING: A PAIR OF END WALLS; A PAIR OF SIDE WALLS STRUCTURALLY CONNECTED TO SAID END WALLS; A LOWER CRANKCASE PORTION WITHIN SAID WALLS RECEIVING AND SUPPORTING SAID CYLINDERS; AN UPPER PORTION WITHIN SAID WALLS RECEIVING AND SUPPORTING SAID CYLINDERS AND HAVING PARALLEL CAM AND BALANCE SHAFT MOUNTING GALLERIES EXTENDING LONGITUDINALLY THEREOF AND SYMMETRICALLY DISPOSED ON OPPOSITE SIDES OF SAID CYLINDERS, EITHER OF SAID GALLERIES BEING ADAPTED TO RECEIVE A CAMSHAFT OR A BALANCE SHAFT; AND A PLURALITY OF PAIRED TRANSVERSELY SPACED PARALLEL COLUMNS INWARDLY SPACED FROM SAID SIDE WALLS FOR
Claim 2
Dependent Claim
121 words
A CYLINDER BLOCK FOR A TWO-STROKE UNIFLOW SCAVENGED INTERNAL COMBUSTION ENGINE HAVING A PLURALITY OF INLINE CYLINDERS, SAID CYLINDER BLOCK HAVING SUBSTANTIAL SYMMETRY ABOUT A LONGITUDINALLY EXTENDING MEDIAN PLANE AND COMPRISING: A PAIR OF END WALLS; A PAIR OF SIDE WALLS STRUCTURALLY CONNECTED TO SAID END WALLS; A LOWER CRANKCASE PORTION WITHIN SAID WALLS RECEIVING AND SUPPORTING SAID CYLINDERS; AN UPPER PORTION WITHIN SAID WALLS RECEIVING AND SUPPORTING SAID CYLINDERS AND HAVING PARALLEL CAM AND BALANCE SHAFT MOUNTING GALLERIES EXTENDING LONGITUDINALLY THEREOF AND SYMMETRICALLY DISPOSED ON OPPOSITE SIDES OF SAID CYLINDERS, EITHER OF SAID GALLERIES BEING ADAPTED TO RECEIVE A CAMSHAFT OR A BALANCE SHAFT; AND A PLURALITY OF PAIRED TRANSVERSELY SPACED PARALLEL COLUMNS INWARDLY SPACED FROM SAID SIDE WALLS FOR
References Cited (Backward Citations)
US2179709A
Cited
US2728333A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |