Patent US106756A successfully refreshed from Google Patents.
US106756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in shaft-coupling
Assignee: —
•
Filing: —
•
Granted: 1870-08-23
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Expires: 1887-08-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:46
CPC Classifications
F; F16; F16D; F16D1/00; F16D1/06; F16D1/08; F16D1/0847; F16B; F16B7/00; F16B7/10; F16B7/14; F16B7/1472; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7041
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) | 1873-08-22 | 1874-02-21 | 1874-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1877-08-22 | 1878-02-21 | 1878-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1881-08-22 | 1882-02-21 | 1882-08-23 | $7700.00 | Window Closed / Lapsed |