Patent US2416207A successfully refreshed from Google Patents.
US2416207A
Expired / Lapsed
US
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Shifting hitch for tractor propelled agricultural implement
Assignee: International Motors LLC
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Filing: 1943-03-29
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Granted: 1947-02-18
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Expires: 1963-03-29
Abstract
No abstract record available.
Inventors
- 👤 William N Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:17
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1320937A
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US1078736A
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US1378842A
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US1670270A
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US1732580A
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US1811733A
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US1922222A
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US2352276A
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US2337763A
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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) | 1950-02-17 | 1950-08-19 | 1951-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-02-17 | 1954-08-19 | 1955-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-02-17 | 1958-08-19 | 1959-02-18 | $7700.00 | Window Closed / Lapsed |