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US126052A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in churns

Assignee: —
•
Filing: —
•
Granted: 1872-04-23
•
Expires: 1889-04-23
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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 2026-10-24 16:40
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/12; F16H37/16; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32057; Y10T403/32254; Y10T403/32426; Y10T74/00; Y10T74/18; Y10T74/1804; Y10T74/21; Y10T74/2173; Y10T74/2179

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) 1875-04-23 1875-10-23 1876-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1879-04-23 1879-10-23 1880-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1883-04-23 1883-10-23 1884-04-23 $7700.00 Window Closed / Lapsed

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