US3280935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seismic torsional wave generator
Assignee: ConocoPhillips Co
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Filing: 1963-05-27
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Granted: 1966-10-25
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Expires: 1983-05-27
Abstract
No abstract record available.
Inventors
- 👤 Graydon L Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:34
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/143; G01V1/155; G01V1/04; G01V1/047; G01V1/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A DEVICE FOR INDUCING SEISMIC TORSIONAL WAVES HAVING A CONTROLLED FREQUENCY OF PROLONGED DURATION IN THE EARTH, THE DEVICE COMPRISING: AT LEAST ONE EARTH COUPLING MEMBER FOR ENGAGING THE EARTH; AT LEAST ONE INERTIAL MASS MEMBER; MOTOR MEANS CONNECTED TO EACH OF THE EARTH COUPLING MEMBERS AND AT LEAST ONE INERTIAL MASS MEMBER FOR APPLYING A PERIODICALLY REVERSING TORQUE TO THE EARTH COUPLING MEMBERS FOR OSCILLATING THE EARTH COUPLING MEMBERS ABOUT A VERTICALLY DISPOSED AXIS; TRANSPORT MEANS FOR LIFTING THE MEMBERS FROM THE GROUND AND FOR PRESSING THE COUPLING MEMBER AGAINST THE GROUP WITH A HOLDDOWN FORCE; AT LEAST ONE THRUST BEARING MEANS OPERATIVELY DISPOSED BETWEEN THE TRANSPORT MEANS AND ONE OF THE MEMBERS FOR TRANSMITTING THE HOLDDOWN FORCE TO THE EARTH COUPLING MEMBER WHILE PERMITTING OSCILLATION OF THE EARTH COUPLING MEMBER RELATIVE TO THE TRANSPORT MEANS; AND, TENSION MEANS INTERCONNECTING THE TRANSPORT MEANS AND AT LEAST ONE OF THE MEMBERS, WHEREBY THE DEVICE CAN BE RAISED AND TRANSPORTED BY A TRUCK OR THE LIKE AND CAN BE LOWERED UNTIL THE EARTH COUPLING MEMBER ENGAGES THE GROUND AND THEN A HOLDDOWN FORCE CAN BE APPLIED TO THE EARTH COUPLING MEMBER AS THE EARTH COUPLING MEMBER IS OSCILLATED ABOUT THE VERTICAL AXIS.
Claim 2
Independent Claim
201 words
A DEVICE FOR INDUCING SEISMIC TORSIONAL WAVES HAVING A CONTROLLED FREQUENCY OF PROLONGED DURATION IN THE EARTH, THE DEVICE COMPRISING: AT LEAST ONE EARTH COUPLING MEMBER FOR ENGAGING THE EARTH; AT LEAST ONE INERTIAL MASS MEMBER; MOTOR MEANS CONNECTED TO EACH OF THE EARTH COUPLING MEMBERS AND AT LEAST ONE INERTIAL MASS MEMBER FOR APPLYING A PERIODICALLY REVERSING TORQUE TO THE EARTH COUPLING MEMBERS FOR OSCILLATING THE EARTH COUPLING MEMBERS ABOUT A VERTICALLY DISPOSED AXIS; TRANSPORT MEANS FOR LIFTING THE MEMBERS FROM THE GROUND AND FOR PRESSING THE COUPLING MEMBER AGAINST THE GROUP WITH A HOLDDOWN FORCE; AT LEAST ONE THRUST BEARING MEANS OPERATIVELY DISPOSED BETWEEN THE TRANSPORT MEANS AND ONE OF THE MEMBERS FOR TRANSMITTING THE HOLDDOWN FORCE TO THE EARTH COUPLING MEMBER WHILE PERMITTING OSCILLATION OF THE EARTH COUPLING MEMBER RELATIVE TO THE TRANSPORT MEANS; AND, TENSION MEANS INTERCONNECTING THE TRANSPORT MEANS AND AT LEAST ONE OF THE MEMBERS, WHEREBY THE DEVICE CAN BE RAISED AND TRANSPORTED BY A TRUCK OR THE LIKE AND CAN BE LOWERED UNTIL THE EARTH COUPLING MEMBER ENGAGES THE GROUND AND THEN A HOLDDOWN FORCE CAN BE APPLIED TO THE EARTH COUPLING MEMBER AS THE EARTH COUPLING MEMBER IS OSCILLATED ABOUT THE VERTICAL AXIS.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |