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US3403555A Expired / Lapsed US ⏱️ 0.0 years remaining

Flowmeter

Assignee: VERSACI
•
Filing: 1966-07-18
•
Granted: 1968-10-01
•
Expires: 1986-07-18
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Abstract

No abstract record available.

Inventors

  • 👤 Antonio A Versaci
  • 👤 Stapelfeldt Roelif

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:47
CPC Classifications
A; A61; A61B; A61B8/00; A61B8/48; A61B8/481; A61B5/00; A61B5/02; A61B5/026; A61B5/0275; G; G01; G01F; G01F1/00; G01F1/704

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2640936A Cited
DE831610C Cited
FR1067598A Cited
US3323362A Cited
US3336803A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-10-01 1972-04-01 1972-10-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-10-01 1976-04-01 1976-10-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-10-01 1980-04-01 1980-10-01 $7700.00 Window Closed / Lapsed

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