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US2731032A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid pressure regulating system

Assignee: Reynolds Gas Regulator Co
•
Filing: 1952-08-07
•
Granted: 1956-01-17
•
Expires: 1972-08-07
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Abstract

No abstract record available.

Inventors

  • 👤 George C Hughes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:14
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/14; G05D16/16; G05D16/163; G05D16/04; G05D16/06; G05D16/063; G05D16/0644; G05D16/0655; G05D16/0675; G05D16/0683; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7769

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US843174A Cited
US1189349A Cited
US1139533A Cited
US1611079A Cited
US1839547A Cited
US2057133A Cited
US1883690A Cited
US2309848A Cited
US2323839A Cited
US2365713A Cited
US2370110A Cited
US2543846A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-01-16 1959-07-18 1960-01-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-01-16 1963-07-18 1964-01-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-01-16 1967-07-18 1968-01-17 $7700.00 Window Closed / Lapsed

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