Patent FR959460A successfully refreshed from Google Patents.
Patent US5023543A successfully refreshed from Google Patents.
Patent US3361957A successfully refreshed from Google Patents.
US3361957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telluric current responsive device having spaced conductors for positioning adjacentthe earth's surface
Assignee: Individual
•
Filing: 1962-01-23
•
Granted: 1968-01-02
•
Expires: 1982-01-23
Abstract
No abstract record available.
Inventors
- 👤 Donald L Hings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:11
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/08; G01V3/082
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN TELLURIC CURRENT RESPONSIVE DEVICE COMPRISING IN COMBINATION, FIRST AND SECOND CONDUCTIVE MEANS, EACH OF SAID CONDUCTIVE MEANS INCLUDING A PLURALITY OF CONDUCTORS EACH OF WHICH IS SINUOUS AND INTERLINKS THE ADJACENT CONDUCTOR, MEANS TO RELATIVELY INSULATE SAID FIRST AND SECOND CONDUCTIVE MEANS AND TO INSULATE EACH FROM GROUND, A TRANSDUCER RESPONSIVE TO CONTINUOUS DIRECT CURRENT CONNECTED BETWEEN THE FIRST AND SECOND CONDUCTIVE MEANS, AND MEANS TO POSITION SAID CONDUCTIVE MEANS IN CLOSE PROXIMITY TO AND ABOVE THE SURFACE OF THE EARTH UP TO APPROXIMATELY TWELVE INCHES SPACING WHEREIN SUCH POSITIONING ESTABLISHES A RESPONSIVE CONTINUOUS VARIABLE DIRECT CURRENT FLOW BETWEEN SAID FIRST AND SECOND CONDUCTIVE MEANS RESPONSIVE TO VARIATIONS IN TELLURIC CURRENT IN THE EARTH.
Claim 2
Dependent Claim
115 words
AN TELLURIC CURRENT RESPONSIVE DEVICE COMPRISING IN COMBINATION, FIRST AND SECOND CONDUCTIVE MEANS, EACH OF SAID CONDUCTIVE MEANS INCLUDING A PLURALITY OF CONDUCTORS EACH OF WHICH IS SINUOUS AND INTERLINKS THE ADJACENT CONDUCTOR, MEANS TO RELATIVELY INSULATE SAID FIRST AND SECOND CONDUCTIVE MEANS AND TO INSULATE EACH FROM GROUND, A TRANSDUCER RESPONSIVE TO CONTINUOUS DIRECT CURRENT CONNECTED BETWEEN THE FIRST AND SECOND CONDUCTIVE MEANS, AND MEANS TO POSITION SAID CONDUCTIVE MEANS IN CLOSE PROXIMITY TO AND ABOVE THE SURFACE OF THE EARTH UP TO APPROXIMATELY TWELVE INCHES SPACING WHEREIN SUCH POSITIONING ESTABLISHES A RESPONSIVE CONTINUOUS VARIABLE DIRECT CURRENT FLOW BETWEEN SAID FIRST AND SECOND CONDUCTIVE MEANS RESPONSIVE TO VARIATIONS IN TELLURIC CURRENT IN THE EARTH.
References Cited (Backward Citations)
US1808397A
Cited
US1897688A
Cited
US2291596A
Cited
US2344672A
Cited
US2304739A
Cited
US2352411A
Cited
US2585907A
Cited
US2784370A
Cited
US3060372A
Cited
US2885633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |