US3353622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Near-surface velocity logger
Assignee: ConocoPhillips Co
•
Filing: 1962-08-20
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Granted: 1967-11-21
•
Expires: 1982-08-20
Abstract
No abstract record available.
Inventors
- 👤 Everett L Erickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:33
CPC Classifications
G; G01; G01V; G01V11/00; G01V11/002; G01V11/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2191119A
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US2315931A
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US2428168A
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US2876413A
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US2831540A
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US2892501A
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US2994398A
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |