US2844397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hitch device
Assignee: Deere Manufacturing Co
•
Filing: 1953-03-26
•
Granted: 1958-07-22
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Expires: 1973-03-26
Abstract
No abstract record available.
Inventors
- 👤 Shane Wallace H Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:24
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/002; A01B59/004; Y; Y10; Y10T; Y10T403/00; Y10T403/29; Y10T403/291; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20642
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) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |