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US2554715A Expired / Lapsed US ⏱️ 0.0 years remaining

Flow meter

Assignee: ExxonMobil Oil Corp
•
Filing: 1944-09-12
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Granted: 1951-05-29
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Expires: 1964-09-12
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Abstract

No abstract record available.

Inventors

  • 👤 Dana S Mellett

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 19:23
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/22; G01F1/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US280322A Cited
US1955315A Cited
US1499839A Cited
US1662429A Cited
US1877810A Cited
US1993527A Cited
US2154375A Cited
US2303890A Cited
US2260516A Cited
US2317807A Cited
US2316239A Cited
US2323128A Cited
US2325884A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-05-28 1954-11-27 1955-05-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-05-28 1958-11-27 1959-05-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-05-28 1962-11-27 1963-05-29 $7700.00 Window Closed / Lapsed

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