US3290740A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of casting an aluminum engine
Assignee: Jeep Corp
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Filing: 1965-03-15
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Granted: 1966-12-13
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Achilles C Sampietro
- 👤 Kenneth G Matthews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:28
CPC Classifications
B; B22; B22D; B22D15/00; B22D15/02; F; F02; F02F; F02F7/00; F02F7/0043; F02F7/0053; F02F7/0085; F02B; F02B2275/00; F02B2275/20; F05; F05C; F05C2201/00; F05C2201/02; F05C2201/021; F05C2201/04; F05C2201/0433; F05C2201/0436
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
THE METHOD DIE CASTING AN ENGINE BLOCK HAVING PLURALITY OF IN-LINE, OUTWARDLY EXTENDING CYLINDER BORES COMPRISING THE STEPS OF FORMING THE RADIALLY INNER SURFACE OF THE CYLINDER BORES BY COAXIALLY EXTENDING MEMBERS AND FORMING THE RADIALLY OUTER SURFACE OF THE CYLINDER BORES BY A PAIR OF OPPOSITELY LOCATED DIES MOVABLE TRANSVERSELY RELATIVE TO THE AXIS OF THE CYLINDER BORES.
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |