Patent US3230541A successfully refreshed from Google Patents.
US3230541A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for analysis of seismic signals
Assignee: Jersey Production Research Co
•
Filing: 1962-01-03
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Granted: 1966-01-18
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Expires: 1982-01-03
Abstract
No abstract record available.
Inventors
- 👤 James J Roark
- 👤 Henry B Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:37
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A SYSTEM FOR RECORDING PHASE INFORMATION OF A SEISMIC SIGNAL WHICH COMPRISES: A FIRST PLATE HAVING THREE ESSENTIALLY PARALLEL SLITS THEREIN; A SECOND PLATE SPACED FROM SAID FIRST PLATE; A MIDDLE AND TWO SIDE ELONGATED PHOTOSENSITIVE TRANSDUCERS SUPPORTED BY SAID SECOND PLATE AND ALIGNED WITH THE SLITS OF SAID FIRST PLATE; A FIRST MIRROR GALVANOMETER; A SECOND MIRROR GALVANOMETER; MEANS CONNECTING SAID MIDDLE PHOTOSENSITIVE TRANSDUCER TO SAID FIRST GALVANOMETER AND TO CAUSE IT TO ROTATE IN ONE DIRECTION; MEANS CONNECTING THE TWO SIDE PHOTOSENSITIVE TRANSDUCERS TO SAID SECOND MIRROR GALVANOMETER SUCH THAT UPON ENERGIZATION OF SAID TWO SIDE PHOTOSENSITIVE TRANSDUCERS THAT THE MIRROR OF SAID SECOND GALVANOMETER IS ROTATED IN THE OPPOSITE DIRECTION FROM THAT OF SAID FIRST GALVANOMETER; MEANS TO DIRECT LIGHT TO SAID MIRROR GALVANOMETERS AND MEANS TO RECORD THE REFLECTION FROM SAID MIRROR GALVANOMETERS.
Claim 2
Independent Claim
137 words
A SYSTEM FOR RECORDING PHASE INFORMATION OF A SEISMIC SIGNAL WHICH COMPRISES: A FIRST PLATE HAVING THREE ESSENTIALLY PARALLEL SLITS THEREIN; A SECOND PLATE SPACED FROM SAID FIRST PLATE; A MIDDLE AND TWO SIDE ELONGATED PHOTOSENSITIVE TRANSDUCERS SUPPORTED BY SAID SECOND PLATE AND ALIGNED WITH THE SLITS OF SAID FIRST PLATE; A FIRST MIRROR GALVANOMETER; A SECOND MIRROR GALVANOMETER; MEANS CONNECTING SAID MIDDLE PHOTOSENSITIVE TRANSDUCER TO SAID FIRST GALVANOMETER AND TO CAUSE IT TO ROTATE IN ONE DIRECTION; MEANS CONNECTING THE TWO SIDE PHOTOSENSITIVE TRANSDUCERS TO SAID SECOND MIRROR GALVANOMETER SUCH THAT UPON ENERGIZATION OF SAID TWO SIDE PHOTOSENSITIVE TRANSDUCERS THAT THE MIRROR OF SAID SECOND GALVANOMETER IS ROTATED IN THE OPPOSITE DIRECTION FROM THAT OF SAID FIRST GALVANOMETER; MEANS TO DIRECT LIGHT TO SAID MIRROR GALVANOMETERS AND MEANS TO RECORD THE REFLECTION FROM SAID MIRROR GALVANOMETERS.
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |