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US375177A Expired / Lapsed US ⏱️ 0.0 years remaining

Duncan w

Assignee: —
•
Filing: —
•
Granted: 1887-12-20
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Expires: 1904-12-20
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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 10:32
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/12; F; F16; F16B; F16B5/00; F16B5/02; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7084

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) 1890-12-19 1891-06-20 1891-12-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1894-12-19 1895-06-20 1895-12-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1898-12-19 1899-06-20 1899-12-20 $7700.00 Window Closed / Lapsed

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