US3018838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of seismic prospecting
Assignee: Seismograph Service Corp
•
Filing: 1956-01-12
•
Granted: 1962-01-30
•
Expires: 1976-01-12
Abstract
No abstract record available.
Inventors
- 👤 Hammond Joseph William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:36
CPC Classifications
G; G01; G01V; G01V1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1724720A
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US1919917A
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US2154548A
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US2243730A
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US2449037A
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US2732906A
Cited
US2767389A
Cited
US2882988A
Cited
US2808894A
Cited
US2806545A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |