Patent US2664864A successfully refreshed from Google Patents.
US2664864A
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US
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Engine head
Assignee: Jeep Corp
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Filing: 1950-08-31
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Granted: 1954-01-05
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Expires: 1970-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robert P Ernest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:12
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4264; F02F1/243; F02B; F02B75/00; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1812; F02B2075/1824; F02B2275/00; F02B2275/34; F02B75/20; F02F2001/244; F02F2001/245
Claims Analysis
Total Claims: 0
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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) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |