US3105934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the remote detection of ore bodies utilizing pulses of short duration to induce transient polarization in the ore bodies
Assignee: Selco Exploration Co Ltd
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Filing: 1960-01-05
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Granted: 1963-10-01
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Expires: 1980-01-05
Abstract
No abstract record available.
Inventors
- 👤 Barringer Anthony Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:28
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/15; G01V3/165
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
THE METHOD OF DETECTING CONDUCTING BODIES AND COMPRISING: INITIATING PRIMARY ELECTROMAGNETIC WAVEFORMS FROM A SOURCE BY MEANS OF A PULSE OF BETWEEN ABOUT 0.5 TO 5 MILLISECONDS'' DURATION, SAID WAVEFORMS EXHIBITING ABRUPT DISCONTINUITIES AT PREDETERMINED INTERVALS THEREBY TO INDUCE TRANSIENT SECONDARY ELECTROMAGNETIC WAVEFORMS EMANATING FROM SAID CONDUCTING BODIES DELAYED A SHORT TIME AFTER SAID ABRUPT DISCONTINUITIES OF SAID PRIMARY WAVEFORMS, RECEIVING SAID PRIMARY WAVEFORMS; AND SAID DELAYED TRANSIENT SECONDARY WAVEFORMS SAMPLING AT LEAST ONE PORTION OF SAID DELAYED TRANSIENT SECONDARY WAVEFORMS AT A PREDETERMINED TIME INTERVAL AFTER SAID ABRUPT DISCONTINUITIES IN SAID PRIMARY WAVEFORMS; AND RECORDING THE PRESENCE OF SUCH SAMPLED PORTIONS THEREBY TO INDICATE THE PRESENCE OF CONDUCTING BODIES.
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |