US3365020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for reducing seismic surface waves by sequential activation of explosive sources
Assignee: Texaco Inc
•
Filing: 1965-12-29
•
Granted: 1968-01-23
•
Expires: 1985-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Hugh O Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:48
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/104; G01V1/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1706011A
Cited
US1899970A
Cited
US2808894A
Cited
US2908342A
Cited
US3018838A
Cited
US3012625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |