Patent US2484009A successfully refreshed from Google Patents.
US2484009A
Expired / Lapsed
US
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Internal-combustion engine and method of operating same
Assignee: Texaco Inc
•
Filing: 1948-02-25
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Granted: 1949-10-11
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Expires: 1968-02-25
Abstract
No abstract record available.
Inventors
- 👤 Everett M Barber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:23
CPC Classifications
F; F02; F02B; F02B3/00; F02B3/02; F02B17/00; F02B17/005; F02B2275/00; F02B2275/42
Claims Analysis
Total Claims: 0
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US2058350A
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US2290212A
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US2345256A
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US2295081A
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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) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |