US3440992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Streamer cable depth control
Assignee: Teledyne Exploration Co
•
Filing: 1967-12-07
•
Granted: 1969-04-29
•
Expires: 1987-12-07
Abstract
No abstract record available.
Inventors
- 👤 Calvin L Chance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:29
CPC Classifications
G; G01; G01V; G01V1/00; G01V1/38; G01V1/3817; G01V1/3826; B; B63; B63B; B63B21/00; B63B21/56; B63B21/66; G01C; G01C13/00; G01C13/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3375800A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |