Patent US3306391A successfully refreshed from Google Patents.
US3306391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable seismic transducer
Assignee: ConocoPhillips Co
•
Filing: 1964-03-16
•
Granted: 1967-02-28
•
Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Marvin G Bays
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:41
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/143; G01V1/155; G01V1/04; G01V1/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A PORTABLE SEISMIC TRANSDUCER ASSEMBLY COMPRISING: A VEHICLE HAVING FRONT AND REAR SETS OF WHEELS AND A DRIVESHAFT EXTENDING LONGITUDINALLY OF THE VEHICLE FOR DRIVING ONE SET OF THE WHEELS; A BASE PLATE MEMBER FOR ENGAGING THE SURFACE OF THE EARTH DISPOSED BELOW THE DRIVESHAFT AND BETWEEN THE FRONT AND REAR WHEELS, THE BASE PLATE MEMBER HAVING A FRAME EXTENDING TO A POINT ABOVE THE DRIVESHAFT; A REACTION MASS MEMBER DISPOSED ABOVE THE DRIVESHAFT AND SLIDABLY CONNECTED TO THE FRAME FOR RECIPROCATION THROUGH A RELATIVELY SHORT VERTICAL STROKE; MEANS INTERCONNECTING THE REACTION MASS MEMBER AND SAID FRAME FOR RECIPROCATING THE REACTION MASS MEMBER THROUGH SAID STORKE; AND, LIFT MEANS INTERCONNECTING THE BASE PLATE MEMBER AND THE VEHICLE FOR ALTERNATELY LIFTING THE BASE PLATE MEMBER FROM THE GROUND FOR TRANSPORT AND FOR PRESSING THE BASE PLATE AGAINST THE GROUND WITH AT LEAST A PORTION OF THE WEIGHT OF THE VEHICLE.
Claim 2
Dependent Claim
149 words
A PORTABLE SEISMIC TRANSDUCER ASSEMBLY COMPRISING: A VEHICLE HAVING FRONT AND REAR SETS OF WHEELS AND A DRIVESHAFT EXTENDING LONGITUDINALLY OF THE VEHICLE FOR DRIVING ONE SET OF THE WHEELS; A BASE PLATE MEMBER FOR ENGAGING THE SURFACE OF THE EARTH DISPOSED BELOW THE DRIVESHAFT AND BETWEEN THE FRONT AND REAR WHEELS, THE BASE PLATE MEMBER HAVING A FRAME EXTENDING TO A POINT ABOVE THE DRIVESHAFT; A REACTION MASS MEMBER DISPOSED ABOVE THE DRIVESHAFT AND SLIDABLY CONNECTED TO THE FRAME FOR RECIPROCATION THROUGH A RELATIVELY SHORT VERTICAL STROKE; MEANS INTERCONNECTING THE REACTION MASS MEMBER AND SAID FRAME FOR RECIPROCATING THE REACTION MASS MEMBER THROUGH SAID STORKE; AND, LIFT MEANS INTERCONNECTING THE BASE PLATE MEMBER AND THE VEHICLE FOR ALTERNATELY LIFTING THE BASE PLATE MEMBER FROM THE GROUND FOR TRANSPORT AND FOR PRESSING THE BASE PLATE AGAINST THE GROUND WITH AT LEAST A PORTION OF THE WEIGHT OF THE VEHICLE.
References Cited (Backward Citations)
US1955101A
Cited
US2100445A
Cited
US2109392A
Cited
US2938351A
Cited
US3070960A
Cited
US3216525A
Cited
US3159233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |