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US109423A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in lathe-chucks

Assignee: —
•
Filing: —
•
Granted: 1870-11-22
•
Expires: 1887-11-22
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:31
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
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References Cited (Backward Citations)

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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

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