US2737933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine
Assignee: Minneapolis Moline Co
•
Filing: 1952-10-11
•
Granted: 1956-03-13
•
Expires: 1972-10-11
Abstract
No abstract record available.
Inventors
- 👤 William E Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:52
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/02; F01M; F01M1/00; F01M1/10; F02; F02B; F02B63/00; F02B75/00; F02B75/16; F02B75/18; F02B2075/1804; F02B2075/1808
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1459563A
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US1670988A
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US1891726A
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US1854971A
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US1844611A
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US1926741A
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US2318276A
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US2306823A
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US2470982A
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US2507643A
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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) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |