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US2773384A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas flow measuring equipment

Assignee: Individual
•
Filing: 1950-10-30
•
Granted: 1956-12-11
•
Expires: 1970-10-30
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Abstract

No abstract record available.

Inventors

  • 👤 Gehre Hans

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 13:53
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US227576A Cited
US404374A Cited
US864579A Cited
US948755A Cited
GB191030377A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-12-11 1960-06-11 1960-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-12-11 1964-06-11 1964-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-12-11 1968-06-11 1968-12-11 $7700.00 Window Closed / Lapsed

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