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Pressurized storage system and method of operating

Assignee: Phillips Petroleum Co
•
Filing: 1956-01-03
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Granted: 1961-10-31
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Expires: 1976-01-03
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin E Reed

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 21:33
CPC Classifications
E; E21; E21B; E21B41/00; E21B41/005; E21B41/0057; E21B41/0064; B; B65; B65G; B65G5/00; F; F17; F17C; F17C3/00; F17C3/005; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0604; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2205/0335; F17C2221/00; F17C2221/01; F17C2221/013; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/0171; F17C2227/0178; F17C2260/00; F17C2260/03; F17C2260/031; F17C2270/00; F17C2270/01; F17C2270/0142; F17C2270/0144; F17C2270/0149; F17C2270/0152; F17C2270/0155; Y; Y02; Y02C; Y02C20/00; Y02C20/40; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7866

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

BE494471A Cited
US1148160A Cited
US1917193A Cited
US2230830A Cited
US2168591A Cited
US2469946A Cited
US2486608A Cited
US2623725A Cited
US2639169A Cited
US2643612A Cited
US2661062A Cited
US2659209A Cited
US2749714A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-10-30 1965-05-01 1965-10-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-10-30 1969-05-01 1969-10-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-10-30 1973-05-01 1973-10-31 $7700.00 Window Closed / Lapsed

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