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US3045492A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure ratio measurement means

Assignee: MINNEAPOLIS HONEYWELI REGULATO
•
Filing: 1955-08-03
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Granted: 1962-07-24
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Expires: 1975-08-03
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Abstract

No abstract record available.

Inventors

  • 👤 Robert J Kutzler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 04:23
CPC Classifications
G; G01; G01L; G01L15/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2387795A Cited
US2574656A Cited
US2596030A Cited
US2671620A Cited
US2677963A Cited
US2617586A Cited
US2740295A Cited
US2693081A Cited
US2728833A Cited
US2751786A Cited
US2830453A Cited
US2869367A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-23 1966-01-22 1966-07-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-23 1970-01-22 1970-07-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-23 1974-01-22 1974-07-24 $7700.00 Window Closed / Lapsed

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