US3072907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color recording for seismogram frequency analysis
Assignee: Jersey Production Research Co
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Filing: 1958-09-15
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Granted: 1963-01-08
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Expires: 1978-09-15
Abstract
No abstract record available.
Inventors
- 👤 Frank G Boucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:32
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
66 words
A METHOD OF RECORDING IN VARIABLE COLOR FROM A SEISMIC SIGNAL WHICH OSCILLATES BY A REFERENCE VOLTAGE BASE LINE WITH VARIABLE DETERMINABLE TIME INTERVALS BETWEEN CROSSINGS OF SAID BASE LINE WHICH COMPRISES: DETECTING SUCH CROSSINGS, RECORDING THE DETERMINABLE TIME INTERVAL BETWEEN SUCCESSIVE CROSSINGS AS INDEPENDENT AREAS ON A RECORDING MEDIUM, AND CONTROLLING THE SIZE COLOR OF EACH SUCH AREA ACCORDING TO THE TIME BETWEEN SAID CROSSINGS.
References Cited (Backward Citations)
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US2875017A
Cited
US2944620A
Cited
US2912673A
Cited
US3008792A
Cited
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 |