US2838940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor transmission with plural power take-off shafts
Assignee: Minneapolis Moline Co
•
Filing: 1956-03-23
•
Granted: 1958-06-17
•
Expires: 1976-03-23
Abstract
No abstract record available.
Inventors
- 👤 William E Swenson
- 👤 Fred C Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:04
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/28; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19051; Y10T74/1907
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2448622A
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US2168033A
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US2140687A
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US2211413A
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US2237322A
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US2287279A
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US2448822A
Cited
US2601297A
Cited
US2725963A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |