US2522934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hitch for tractors and attachments
Assignee: FMC Corp
•
Filing: 1948-01-26
•
Granted: 1950-09-19
•
Expires: 1968-01-26
Abstract
No abstract record available.
Inventors
- 👤 Knute O Engnell
- 👤 Arnold A Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:26
CPC Classifications
A; A01; A01B; A01B71/00; A01B59/00; A01B59/04; A01B59/048; B; B62; B62D; B62D3/00; B62D51/00; B62D51/04; B62D51/06; Y; Y10; Y10S; Y10S56/00; Y10S56/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |