US2646850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power steering and centering means for trailer wheels
Assignee: Individual
•
Filing: 1950-02-07
•
Granted: 1953-07-28
•
Expires: 1970-02-07
Abstract
No abstract record available.
Inventors
- 👤 Charles H Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:54
CPC Classifications
B; B62; B62D; B62D13/00; B62D13/04; Y; Y10; Y10S; Y10S280/00; Y10S280/09
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |