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US3492856A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for determining the flow characteristics of a volumetric flowmeter

Assignee: FTI Flow Technology Inc
•
Filing: 1968-09-06
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Granted: 1970-02-03
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Expires: 1988-09-06
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Abstract

No abstract record available.

Inventors

  • 👤 Edward E Francisco Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 20:19
CPC Classifications
G; G01; G01F; G01F25/00; G01F25/10; G01F25/11

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2892346A Cited
US2792705A Cited
US2934938A Cited
US3021703A Cited
US3187551A Cited
US3254523A Cited
US3324707A Cited
US3270549A Cited
US3273375A Cited
US3391569A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-02 1973-08-04 1974-02-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-02 1977-08-04 1978-02-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-02 1981-08-04 1982-02-03 $7700.00 Window Closed / Lapsed

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