Patent US2481020A successfully refreshed from Google Patents.
US2481020A
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Engine control means
Assignee: Fairbanks Morse and Co
•
Filing: 1945-10-31
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Granted: 1949-09-06
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Expires: 1965-10-31
Abstract
No abstract record available.
Inventors
- 👤 James E Justus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:21
CPC Classifications
G; G05; G05D; G05D13/00; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T137/7849
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1156165A
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US1788358A
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US1853613A
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US1861742A
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US1941500A
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US2138372A
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US2227593A
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US2397876A
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US2332925A
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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) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |