US3072906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seismic recording system
Assignee: Jersey Production Research Co
•
Filing: 1958-09-15
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Granted: 1963-01-08
•
Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 Philip S Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:08
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD OF RECORDING A SEISMIC SIGNAL HAVING ZERO CROSSINGS OF VOLTAGES WITH RESPECT TO TIME ABOUT A ZERO REFERENCE LINE WHICH COMPRISES DETECTING SUCH ZERO CROSSINGS; RECORDING THE TIME BETWEEN SUCCESSIVE ZERO CROSSINGS AS INDEPENDENT INTERVALS; AND VARYING THE DENSITY AND THE SIZE OF EACH INTERVAL AS A FUNCTION OF THE TOTAL TIME BETWEEN SUCCESSIVE ZERO CROSSINGS OF SAID SEISMIC SIGNAL.
Claim 2
Independent Claim
62 words
A METHOD OF RECORDING A SEISMIC SIGNAL HAVING ZERO CROSSINGS OF VOLTAGES WITH RESPECT TO TIME ABOUT A ZERO REFERENCE LINE WHICH COMPRISES DETECTING SUCH ZERO CROSSINGS; RECORDING THE TIME BETWEEN SUCCESSIVE ZERO CROSSINGS AS INDEPENDENT INTERVALS; AND VARYING THE DENSITY AND THE SIZE OF EACH INTERVAL AS A FUNCTION OF THE TOTAL TIME BETWEEN SUCCESSIVE ZERO CROSSINGS OF SAID SEISMIC SIGNAL.
References Cited (Backward Citations)
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |