US2586390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor hitch
Assignee: Individual
•
Filing: 1947-07-15
•
Granted: 1952-02-19
•
Expires: 1967-07-15
Abstract
No abstract record available.
Inventors
- 👤 Schumaier Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:20
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; A01B63/1006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1599464A
Cited
US1842790A
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US2223002A
Cited
US2294188A
Cited
US2286256A
Cited
US2398365A
Cited
US2440422A
Cited
US2392903A
Cited
US2460847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |