US3251279A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder block and method for manufacturing the same
Assignee: Reynolds Metals Co
•
Filing: 1962-07-20
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Granted: 1966-05-17
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Expires: 1982-07-20
Abstract
No abstract record available.
Inventors
- 👤 Paul R O'brien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:12
CPC Classifications
F; F02; F02F; F02F7/00; F02F7/0085; F02F7/0095; Y; Y10; Y10S; Y10S72/00; Y10S72/70; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/4927
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
37 words
AN INTEGRAL CYLINDER BLOCK COMPRISING EXTRUDED CYLINDER WALL AND COOLING JACKET WALL CONSTRUCTONS OPENING IN ONE DIRECTION AND AN EXTRUDED CRANKCASE WALL CONSTRUCTION OPENING IN THE OPPOSITE DIRECTION EACH OF SAID CONSTRUCTIONS EXTRUDED FROM SAID OPPOSITE DIRECTIONS.
References Cited (Backward Citations)
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US1386007A
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US1328276A
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US2424075A
Cited
US2382303A
Cited
GB863363A
Cited
US3059768A
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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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |