US177031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in lathe-chucks
Assignee: —
•
Filing: —
•
Granted: 1876-05-02
•
Expires: 1893-05-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:42
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16004; B23B31/16008; B23B31/1602; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1906
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) | 1879-05-02 | 1879-11-01 | 1880-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-05-02 | 1883-11-01 | 1884-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-05-02 | 1887-11-01 | 1888-05-02 | $7700.00 | Window Closed / Lapsed |