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US368089A Expired / Lapsed US ⏱️ 0.0 years remaining

Feafk a

Assignee: —
•
Filing: —
•
Granted: 1887-08-09
•
Expires: 1904-08-09
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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 05:56
CPC Classifications
F; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0447; F03C1/045; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0439

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1890-08-08 1891-02-07 1891-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1894-08-08 1895-02-07 1895-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1898-08-08 1899-02-07 1899-08-09 $7700.00 Window Closed / Lapsed

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