Patent US6072281A successfully refreshed from Google Patents.
US3210652A
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Method of geophysical prospecting by comparing the steady state magnetic field measured due to current flow through a medium with the transient magnetic field measured after termination of the current flow
Assignee: Scintrex Ltd
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Filing: 1961-12-26
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Granted: 1965-10-05
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Expires: 1981-12-26
Abstract
No abstract record available.
Inventors
- 👤 Harold O Seigel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:18
CPC Classifications
G; G01; G01R; G01R33/00; G01R33/02; G01R33/025; G01V; G01V3/00; G01V3/02; G01V3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD OF PROSPECTING COMPRISING; CREATING A POLARIZED CONDITION IN THE MEDIUM BEING EXPORED BY PASSING AN ELECTRIC CURRENT THROUGH THE MEDIUM, MEASURING THE MAGNITUDE OF THE STEADY-STATE MAGNETIC FIELD CREATED BY THE SAID ELECTRIC CURRENT USED TO CREATE THE SAID POLARIZED CONDITION DURING THE PASSAGE OF SAID ELECTRIC CURRENT THROUGH THE MEDIUM TO BE EXPLORED; ABRUPTLY TERMINATING THE SAID ELECTRIC CURRENT AND THEREAFTER MEASURING THE MAGNITUDE OF THE TRANSIENT MAGNETIC FIELDS DUE TO THE SAID POLARIZED CONDITION DURING THE DECAY PERIOD AND DETERMINING THE RATIO OF THE SAID TWO MEASUREMENTS AS A MEASURE OF THE INDUCED POLARIZATION CHARACTERISTICS OF THE MEDIUM.
Claim 2
Independent Claim
102 words
A METHOD OF PROSPECTING COMPRISING; CREATING A POLARIZED CONDITION IN THE MEDIUM BEING EXPORED BY PASSING AN ELECTRIC CURRENT THROUGH THE MEDIUM, MEASURING THE MAGNITUDE OF THE STEADY-STATE MAGNETIC FIELD CREATED BY THE SAID ELECTRIC CURRENT USED TO CREATE THE SAID POLARIZED CONDITION DURING THE PASSAGE OF SAID ELECTRIC CURRENT THROUGH THE MEDIUM TO BE EXPLORED; ABRUPTLY TERMINATING THE SAID ELECTRIC CURRENT AND THEREAFTER MEASURING THE MAGNITUDE OF THE TRANSIENT MAGNETIC FIELDS DUE TO THE SAID POLARIZED CONDITION DURING THE DECAY PERIOD AND DETERMINING THE RATIO OF THE SAID TWO MEASUREMENTS AS A MEASURE OF THE INDUCED POLARIZATION CHARACTERISTICS OF THE MEDIUM.
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |