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US137674A
Expired / Lapsed
US
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Improvement in lathe-chucks
Assignee: —
•
Filing: —
•
Granted: 1873-04-08
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Expires: 1890-04-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:20
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/008; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17231; Y10T279/17264; Y10T279/17273; Y10T403/00; Y10T403/70; Y10T403/7041; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7084
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) | 1876-04-07 | 1876-10-07 | 1877-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1880-04-07 | 1880-10-07 | 1881-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1884-04-07 | 1884-10-07 | 1885-04-08 | $7700.00 | Window Closed / Lapsed |