US3251027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seismic exploration system
Assignee: Individual
•
Filing: 1962-10-22
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Granted: 1966-05-10
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Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 William B Huckabay
- 👤 Neil A Moore
- 👤 William H Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:03
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/38; G01V1/3808
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
147 words
A SYSTEM FOR RECORDING SEISMIC SIGNALS REPRESENTING BOTH MAJOR AND MINOR SUBSURFACE REFLECTING HORIZONS DETECTED BY A TRANSDUCER WHICH CONVERTS THE SEISMIC SIGNALS TO ELECTRICAL SIGNALS, COMPRISING: AN ELECTROSENSITIVE PRINTER; A THRESHOLD EXPANDER CONNECTED TO THE PRINTER AND THE TRANSDUCERS FOR ELIMINATING THOSE PORTIONS OF EACH SIGNAL FED THERETO BELOW A PREDETERMINED AMPLITUDE AND AMPLIFYING THOSE PORTIONS OF THE RESPECTIVE SIGNAL EXCEEDING A PREDETERMINED AMPLITUDE TO TRANSMIT A PULSE-TYPE SIGNAL TO THE REPRESENTATIVE OF MAJOR SUBSURFACE REFLECTING HORIZONS; A CLIPPER CONNECTED TO THE PRINTER AND THE TRANSDUCER FOR ELIMINATING THOSE PORTIONS OF EACH SIGNAL FED THERETO EXCEEDING A PREDETERMINED AMPLITUDE AND TRANSMITTING A RESULTING SIGNAL TO THE PRINTER REPRESENTATIVE OF MINOR SUBSURFACE REFLECTING HORIZONS HAVING AN AMPLITUDE LESS THAN THE AMPLITUDE OF THE SIGNALS REPRESENTING MAJOR SUBSURFACE REFLECTING HORIZONS, WHEREBY THE MAJOR SUBSURFACE REFLECTING HORIZONS ARE PRINTED BY THE PRINTER DARKER THAN THE MINOR SUBSURFACE REFLECTING HORIZONS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |