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US114297A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in combined punching and shearing machines

Assignee: —
•
Filing: —
•
Granted: 1871-05-02
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Expires: 1888-05-02
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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 2026-10-25 03:55
CPC Classifications
B; B23; B23Q; B23Q9/00; B23Q9/0064; B23Q9/0078; B23Q9/0085; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/1987; Y10T74/19884; Y10T83/00; Y10T83/869; Y10T83/8763; Y10T83/8821; Y10T83/8841; Y10T83/8843

Claims Analysis

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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) 1874-05-01 1874-10-31 1875-05-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1878-05-01 1878-10-31 1879-05-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1882-05-01 1882-10-31 1883-05-02 $7700.00 Window Closed / Lapsed

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