US3288243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phase varying continuous wave seismic surveying system
Assignee: Pan American Petroleum Corp
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Filing: 1963-10-25
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Granted: 1966-11-29
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Expires: 1983-10-25
Abstract
No abstract record available.
Inventors
- 👤 Silverman Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:54
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; Y; Y10; Y10S; Y10S181/00; Y10S181/40; Y10S181/401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
SEISMIC SURVEYING APPARATUS COMPRISING: SIGNAL GENERATING MEANS FOR IMPRESSING A SEISMIC SIGNAL OF A GIVEN DURATION UPON THE EARTH, SAID SIGNAL GENERATING MEANS COMPRISING AT LEAST ONE UNBALANCED ROTATING WEIGHT; DRIVE MEANS CONNECTED TO SAID WEIGHT FOR ROTATING THE SAME, SAID DRIVE MEANS COMPRISING A HYDRAULIC MOTOR SO MOUNTED TO PERMIT ANGULAR ROTATION OF ITS STATOR; VARIABLE PHASE SHIFT MEANS COUPLED TO SAID DRIVE MEANS FOR SHARPLY SHIFTING THE ANGLE OF ROTATION ANY SELECTED DEGREE TO PRODUCE SUCH SELECTED SHIFT IN THE PHASE OF SAID SIGNAL DURING ITS DURATION, SAID PHASE SHIFT MEANS INCLUDING A HYDRAULIC CYLINDER GEARED TO SAID HYDRAULIC MOTOR TO SHARPLY ROTATE SAID STATOR; AND DETECTOR MEANS FOR RECEIVING THE RESULTING SEISMIC SIGNAL TRANSMITTED THROUGH THE EARTH.
Claim 2
Dependent Claim
120 words
SEISMIC SURVEYING APPARATUS COMPRISING: SIGNAL GENERATING MEANS FOR IMPRESSING A SEISMIC SIGNAL OF A GIVEN DURATION UPON THE EARTH, SAID SIGNAL GENERATING MEANS COMPRISING AT LEAST ONE UNBALANCED ROTATING WEIGHT; DRIVE MEANS CONNECTED TO SAID WEIGHT FOR ROTATING THE SAME, SAID DRIVE MEANS COMPRISING A HYDRAULIC MOTOR SO MOUNTED TO PERMIT ANGULAR ROTATION OF ITS STATOR; VARIABLE PHASE SHIFT MEANS COUPLED TO SAID DRIVE MEANS FOR SHARPLY SHIFTING THE ANGLE OF ROTATION ANY SELECTED DEGREE TO PRODUCE SUCH SELECTED SHIFT IN THE PHASE OF SAID SIGNAL DURING ITS DURATION, SAID PHASE SHIFT MEANS INCLUDING A HYDRAULIC CYLINDER GEARED TO SAID HYDRAULIC MOTOR TO SHARPLY ROTATE SAID STATOR; AND DETECTOR MEANS FOR RECEIVING THE RESULTING SEISMIC SIGNAL TRANSMITTED THROUGH THE EARTH.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |