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Patent US3394775A successfully refreshed from Google Patents.
US3394775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine vibration transducer
Assignee: ConocoPhillips Co
•
Filing: 1966-11-04
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Granted: 1968-07-30
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Expires: 1986-11-04
Abstract
No abstract record available.
Inventors
- 👤 Jimmy R Cole
- 👤 Clynch Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:36
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/02; G01V1/143; G01V1/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069242A
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US2961639A
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US2977573A
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US2978669A
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US3018467A
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US3246289A
Cited
US3143999A
Cited
US3263208A
Cited
US3258738A
Cited
US3280938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |