US3323364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for rejecting quadrature voltage signals in a flow meter
Assignee: Individual
•
Filing: 1965-01-21
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Granted: 1967-06-06
•
Expires: 1985-01-21
Abstract
No abstract record available.
Inventors
- 👤 Donald S Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:24
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/56; G01F1/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A FLOW METER COMPRISING: (A) A FLOW TUBE; (B) FIRST AND SECOND SPACED ELECTRODES MOUNTED IN SAID FLOW TUBE AT A PROBING SECTION; (C) MAGNETIC EXCITATION MEANS HAVING A GAP AT SAID PROBING SECTION; (D) FIRST AND SECOND SIGNAL LEADS CONNECTED TO SAID FIRST AND SECOND SPACED ELECTRODES; (E) SAID FIRST AND SECOND SIGNAL LEADS BEING WITHIN THE MAGNETIC FIELD OF SAID MAGNETIC EXCITATION MEANS; AND (F) FIRST AND SECOND MAGNETIC LOOPS IN SAID FIRST AND SECOND LEADS RESPECTIVELY; AND (G) AN ADJUSTABLE MAGNETIC MEMBER BEING CARRIED WITHIN SAID FIRST AND SECOND LOOPS FOR EFFECTING CANCELLATION OF ANY NO-FLOW VOLTAGE PICKED UP BY SAID FIRST AND SECOND-SPACED ELECTRODES.
Claim 2
Dependent Claim
108 words
A FLOW METER COMPRISING: (A) A FLOW TUBE; (B) FIRST AND SECOND SPACED ELECTRODES MOUNTED IN SAID FLOW TUBE AT A PROBING SECTION; (C) MAGNETIC EXCITATION MEANS HAVING A GAP AT SAID PROBING SECTION; (D) FIRST AND SECOND SIGNAL LEADS CONNECTED TO SAID FIRST AND SECOND SPACED ELECTRODES; (E) SAID FIRST AND SECOND SIGNAL LEADS BEING WITHIN THE MAGNETIC FIELD OF SAID MAGNETIC EXCITATION MEANS; AND (F) FIRST AND SECOND MAGNETIC LOOPS IN SAID FIRST AND SECOND LEADS RESPECTIVELY; AND (G) AN ADJUSTABLE MAGNETIC MEMBER BEING CARRIED WITHIN SAID FIRST AND SECOND LOOPS FOR EFFECTING CANCELLATION OF ANY NO-FLOW VOLTAGE PICKED UP BY SAID FIRST AND SECOND-SPACED ELECTRODES.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |