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US967514A Expired / Lapsed US ⏱️ 0.0 years remaining

Union check-valve.

Assignee: Individual
•
Filing: 1909-10-11
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Granted: 1910-08-16
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Expires: 1929-10-11
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Abstract

No abstract record available.

Inventors

  • 👤 Harry H Groh

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:28
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/02; F16K15/025; F16K15/026; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7854; Y10T137/7856

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) 1913-08-15 1914-02-14 1914-08-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1917-08-15 1918-02-14 1918-08-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1921-08-15 1922-02-14 1922-08-16 $7700.00 Window Closed / Lapsed

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