US36445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved steering apparatus
Assignee: —
•
Filing: —
•
Granted: 1862-09-16
•
Expires: 1879-09-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:45
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/06; B63H25/08; B63H25/10; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1865-09-15 | 1866-03-17 | 1866-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1869-09-15 | 1870-03-17 | 1870-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1873-09-15 | 1874-03-17 | 1874-09-16 | $7700.00 | Window Closed / Lapsed |