US2479931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable tractor steering assembly
Assignee: Individual
•
Filing: 1947-11-25
•
Granted: 1949-08-23
•
Expires: 1967-11-25
Abstract
No abstract record available.
Inventors
- 👤 Howard Arthur Clifford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:42
CPC Classifications
B; B62; B62D; B62D51/00; B62D51/001; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20732; Y10T74/2078; Y10T74/20792; Y10T74/2081; Y10T74/20816
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) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |