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US2848009A Expired / Lapsed US ⏱️ 0.0 years remaining

Unloading valve

Assignee: Motors Liquidation Co
•
Filing: 1956-02-16
•
Granted: 1958-08-19
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Expires: 1976-02-16
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Paul V Wysong
  • 👤 Robert P Rohde

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 04:17
CPC Classifications
F; F04; F04C; F04C14/00; F04C14/24; F04C14/26; F04D; F04D13/00; F04D13/16; F15; F15B; F15B1/00; F15B1/02; F15B1/027; F16; F16K; F16K17/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2605; Y10T137/2635

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2316445A Cited
US2372016A Cited
US2474772A Cited
US2375411A Cited
US2474122A Cited
US2584638A Cited
US2614580A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-08-18 1962-02-17 1962-08-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-08-18 1966-02-17 1966-08-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-08-18 1970-02-17 1970-08-19 $7700.00 Window Closed / Lapsed

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