Patent US2534346A successfully refreshed from Google Patents.
US2534346A
Expired / Lapsed
US
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Internal-combustion engine
Assignee: Texaco Inc
•
Filing: 1943-12-23
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Granted: 1950-12-19
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Expires: 1963-12-23
Abstract
No abstract record available.
Inventors
- 👤 William N Fenney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:15
CPC Classifications
F; F02; F02M; F02M71/00; F02B; F02B3/00; F02B3/02; F02M67/00; F02B2275/00; F02B2275/42; F02B2720/00; F02B2720/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1858824A
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US2058487A
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US1969682A
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US2142280A
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US2125293A
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US2109103A
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US2165176A
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US2199706A
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US2269104A
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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) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |