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US227193A Expired / Lapsed US ⏱️ 0.0 years remaining

Valve

Assignee: —
•
Filing: —
•
Granted: 1880-05-04
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Expires: 1897-05-04
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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 2026-10-30 13:53
CPC Classifications
E; E03; E03B; E03B9/00; E03B9/02; Y; Y10; Y10T; Y10T137/00; Y10T137/5327; Y10T137/5497; Y10T137/5503; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86718; Y10T137/86759; Y10T137/86767; Y10T137/86775

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) 1883-05-04 1883-11-03 1884-05-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1887-05-04 1887-11-03 1888-05-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1891-05-04 1891-11-03 1892-05-04 $7700.00 Window Closed / Lapsed

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