Patent US3620079A successfully refreshed from Google Patents.
US3620079A
Expired / Lapsed
US
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Fluid flow measuring apparatus
Assignee: Individual
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Filing: 1969-02-12
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Granted: 1971-11-16
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Expires: 1989-02-12
Abstract
Abstract AN APPARATUS FOR MEASURING THE FLOW OF A CONDUCTIVE FLUID IN A CONDUIT IN WHICH A DETECTOR, HAVING AN ELECTROMAGNET IN A HOUSING AND FOUR ELECTRODES ON AN INSULATING WALL, IS DISPOSED IN AN APERTURE IN THE CONDUIT, WITH THE FLUID FLOWING IN THE CONDUIT CONTACTING THE ELECTRODES. ARRANGEMENT IS MADE TO DISPOSE THE ELECTRODES IN THE FLOW OF FLUID REGARDLESS OF THE SIZE OF THE DETECTOR RELATIVE TO THE CONDUIT DIAMETER.
Inventors
- 👤 Jacques A Nosley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:24
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/56; G01F1/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |