US2946393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of seismic prospecting
Assignee: Seismograph Service Corp
•
Filing: 1953-06-19
•
Granted: 1960-07-26
•
Expires: 1973-06-19
Abstract
No abstract record available.
Inventors
- 👤 James E Hawkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:38
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/28; G01V1/36; G01V1/362; G01V2210/00; G01V2210/50; G01V2210/53
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2154548A
Cited
US2243730A
Cited
US2231575A
Cited
US2317334A
Cited
US2539220A
Cited
US2440971A
Cited
US2555806A
Cited
US2620890A
Cited
US2658579A
Cited
US2732906A
Cited
US2795287A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |