US3060372A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical prospection
Assignee: Centre National de la Recherche Scientifique
•
Filing: 1958-03-27
•
Granted: 1962-10-23
•
Expires: 1978-03-27
Abstract
No abstract record available.
Inventors
- 👤 Cagniard Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:55
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1803405A
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US2250024A
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US2240520A
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US2284990A
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US2368218A
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US2586667A
Cited
US2901687A
Cited
US2802174A
Cited
US2895052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-22 | 1966-04-23 | 1966-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-22 | 1970-04-23 | 1970-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-22 | 1974-04-23 | 1974-10-23 | $7700.00 | Window Closed / Lapsed |