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US2332282A Expired / Lapsed US ⏱️ 0.0 years remaining

Plug valve

Assignee: Mission Manufacturing Co
•
Filing: 1940-07-30
•
Granted: 1943-10-19
•
Expires: 1960-07-30
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Abstract

No abstract record available.

Inventors

  • 👤 Alexander S Volpin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 06:20
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/08; F16K5/22; F16K5/225; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4358; Y10T137/4372; Y10T137/8593; Y10T137/85978; Y10T137/86131; Y10T137/86163

Claims Analysis

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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) 1946-10-18 1947-04-19 1947-10-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-10-18 1951-04-19 1951-10-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-10-18 1955-04-19 1955-10-19 $7700.00 Window Closed / Lapsed

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