US3339410A
Expired / Lapsed
US
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Flow meter
Assignee: CIE GENERALE D ELECTRONIQUE IN
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Filing: 1965-02-04
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Granted: 1967-09-05
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Expires: 1985-02-04
Abstract
No abstract record available.
Inventors
- 👤 Steru Marius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:43
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/34; H03F1/347; G; G01; G01F; G01F1/00; G01F1/56; G01F1/58; G01F1/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A FLOW METER FOR MEASURING THE FLOW OF AN ELECTRICITY CONDUCTIVE LIQUID FLOWING THROUGH THE CONDUIT, COMPRISING MEANS FOR PRODUCING AN ALTERNATING MAGNETIC FIELD SUBSTANTIALLY PERPENDICULAR TO THE DIRECTION OF FLOW OF LIQUID THROUGH SAID CONDUIT, ELECTRODE MEANS OPERABLE TO COLLECT THE TRANSVERSE ELECTROMOTIVE FORCE INDUCED IN SAID LIQUID BY SAID ALTERNATING MAGNETIC FIELD, MEASURING CIRCUIT MEANS HAVING INPUT TERMINALS RESPECTIVELY OPERABLE TO GIVE A MEASURE OF THE FLOW OF SAID LIQUID, COIL MEANS POSITIONED IN SAID MAGNETIC FIELD, CORE MEANS OF MAGNETIC MATERIAL DISPOSED IN THE VICINITY OF SAID COIL MEANS AND OPERABLE TO MODIFY THE MAGNETIC FIELD IN THE VICINITY OF SAID COIL
Claim 2
Dependent Claim
105 words
A FLOW METER FOR MEASURING THE FLOW OF AN ELECTRICITY CONDUCTIVE LIQUID FLOWING THROUGH THE CONDUIT, COMPRISING MEANS FOR PRODUCING AN ALTERNATING MAGNETIC FIELD SUBSTANTIALLY PERPENDICULAR TO THE DIRECTION OF FLOW OF LIQUID THROUGH SAID CONDUIT, ELECTRODE MEANS OPERABLE TO COLLECT THE TRANSVERSE ELECTROMOTIVE FORCE INDUCED IN SAID LIQUID BY SAID ALTERNATING MAGNETIC FIELD, MEASURING CIRCUIT MEANS HAVING INPUT TERMINALS RESPECTIVELY OPERABLE TO GIVE A MEASURE OF THE FLOW OF SAID LIQUID, COIL MEANS POSITIONED IN SAID MAGNETIC FIELD, CORE MEANS OF MAGNETIC MATERIAL DISPOSED IN THE VICINITY OF SAID COIL MEANS AND OPERABLE TO MODIFY THE MAGNETIC FIELD IN THE VICINITY OF SAID COIL
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |