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US139566A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in machines for introducing water and gas pipes

Assignee: —
•
Filing: —
•
Granted: 1873-06-03
•
Expires: 1890-06-03
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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 22:00
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/22; B23Q5/32; Y; Y10; Y10T; Y10T74/00; Y10T74/17; Y10T74/173; Y10T74/19; Y10T74/19642; Y10T74/19674

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) 1876-06-02 1876-12-02 1877-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1880-06-02 1880-12-02 1881-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1884-06-02 1884-12-02 1885-06-03 $7700.00 Window Closed / Lapsed

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