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US3038336A Expired / Lapsed US ⏱️ 0.0 years remaining

System for measuring height and density of liquids

Assignee: Individual
•
Filing: 1958-04-28
•
Granted: 1962-06-12
•
Expires: 1978-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 Melville F Peters

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:35
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/14; G01F23/18; G01F23/16; G01F23/164; G01N; G01N9/00; G01N9/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

GB198532A Cited
US1946175A Cited
US2360886A Cited
US2447233A Cited
US2507501A Cited
US2521477A Cited
US2692501A Cited
US2683989A Cited
US2696738A Cited
US2613535A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-06-11 1965-12-11 1966-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-06-11 1969-12-11 1970-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-06-11 1973-12-11 1974-06-12 $7700.00 Window Closed / Lapsed

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