Patent US1161534A successfully refreshed from Google Patents.
Patent US3063053A successfully refreshed from Google Patents.
US3063053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seismic recording and reproducing methods, apparatus and records
Assignee: Sunoco Inc
•
Filing: 1957-03-29
•
Granted: 1962-11-06
•
Expires: 1977-03-29
Abstract
No abstract record available.
Inventors
- 👤 Norman B Blake
- 👤 Jr William E Holtkamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:43
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/24
Claims Analysis
Total Claims: 0
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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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |