US166885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in bearing-surfaces for spindles
Assignee: —
•
Filing: —
•
Granted: 1875-08-17
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Expires: 1892-08-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:35
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201
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) | 1878-08-16 | 1879-02-15 | 1879-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-08-16 | 1883-02-15 | 1883-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-08-16 | 1887-02-15 | 1887-08-17 | $7700.00 | Window Closed / Lapsed |