Patent US2590201A successfully refreshed from Google Patents.
US2590201A
Expired / Lapsed
US
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Tractor hitch
Assignee: Individual
•
Filing: 1948-06-22
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Granted: 1952-03-25
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Expires: 1968-06-22
Abstract
No abstract record available.
Inventors
- 👤 Nielsen Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:08
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/06; B60D1/065; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32811
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE649571C
Cited
US1340521A
Cited
US1281049A
Cited
FR688792A
Cited
DE659056C
Cited
US2166738A
Cited
FR816286A
Cited
US2217234A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |