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US686311A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1897-06-26
•
Granted: 1901-11-12
•
Expires: 1917-06-26
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin S Leaycraft

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:23
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/24; F16L37/244; F16L37/252; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49972; 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) 1904-11-11 1905-05-13 1905-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1908-11-11 1909-05-13 1909-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1912-11-11 1913-05-13 1913-11-12 $7700.00 Window Closed / Lapsed

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