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US50648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in carriage-axle boxes
Assignee: —
•
Filing: —
•
Granted: 1865-10-24
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Expires: 1882-10-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:11
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/66; F16C33/6603; F16C33/6622
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) | 1868-10-23 | 1869-04-24 | 1869-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1872-10-23 | 1873-04-24 | 1873-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1876-10-23 | 1877-04-24 | 1877-10-24 | $7700.00 | Window Closed / Lapsed |