Patent US109423A successfully refreshed from Google Patents.
US109423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in lathe-chucks
Assignee: —
•
Filing: —
•
Granted: 1870-11-22
•
Expires: 1887-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:33
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/36; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T279/19; Y10T279/1913
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1873-11-21 | 1874-05-23 | 1874-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1877-11-21 | 1878-05-23 | 1878-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1881-11-21 | 1882-05-23 | 1882-11-22 | $7700.00 | Window Closed / Lapsed |