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US3133440A Expired / Lapsed US ⏱️ 0.0 years remaining

Stabilizing apparatus for floats for variable flow meters

Assignee: US Filter Wallace and Tiernan Inc
•
Filing: 1960-09-14
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Granted: 1964-05-19
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Expires: 1980-09-14
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Abstract

No abstract record available.

Inventors

  • 👤 William C Conkling

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:09
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 44 words
A SOLID FLOAT FOR A VARIABLE RESTRICTION AREA FLOW METER HAVING A SPHERICAL CONTOUR EXCEPT FOR TRUNCATION BY A FLAT PLANE SO THAT THE DISTANCE FROM THE SPHERE CENTER TO THE CENTER OF THE PLANE IS NO GREATER THAN THREE-FOURTHS OF THE SPHERE RADIUS.
Claim 2
Dependent Claim 44 words
A SOLID FLOAT FOR A VARIABLE RESTRICTION AREA FLOW METER HAVING A SPHERICAL CONTOUR EXCEPT FOR TRUNCATION BY A FLAT PLANE SO THAT THE DISTANCE FROM THE SPHERE CENTER TO THE CENTER OF THE PLANE IS NO GREATER THAN THREE-FOURTHS OF THE SPHERE RADIUS.

References Cited (Backward Citations)

US1899764A Cited
US1889705A Cited
DE573359C Cited
US2339922A Cited
US2451460A Cited
GB644975A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-19 1967-11-18 1968-05-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-19 1971-11-18 1972-05-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-19 1975-11-18 1976-05-19 $7700.00 Window Closed / Lapsed

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