US2591624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tractor hitch
Assignee: Individual
•
Filing: 1951-03-09
•
Granted: 1952-04-01
•
Expires: 1971-03-09
Abstract
No abstract record available.
Inventors
- 👤 Max C Siebels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:35
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/02; B60D1/48; B60D1/54; B60D2001/542; B60D2001/546; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32041; Y10T403/32049; Y10T403/32114; Y10T403/32221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1365013A
Cited
US2130108A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |