Patent US3108246A successfully refreshed from Google Patents.
US3108246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detection of metallic objects on an ocean floor
Assignee: Individual
•
Filing: 1956-12-28
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Granted: 1963-10-22
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Expires: 1976-12-28
Abstract
No abstract record available.
Inventors
- 👤 Jones Louis Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:09
CPC Classifications
G; G01; G01V; G01V3/00; G01V3/08; G01V3/082; B; B63; B63C; B63C11/00; B63C11/48
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
91 words
APPARATUS FOR DETECTING THE PRESENCE OF METALLIC OBJECTS IN THE OCEAN INCLUDING AN ELECTRIC CIRCUIT, AND A PROBE MEMBER FOR VARYING THE CURRENT FLOWING IN SAID CIRCUIT WHEN IT CONTACTS A METALLIC OBJECT, SAID PROBE MEMBER COMPRISING A PLURALITY OF BARE METAL TEETH FOR BREAKING THROUGH POORLY CONDUCTIVE SURFACE COATINGS ON OBJECTS BEING DETECTED, AND AN INSULATED ELECTRICAL CONDUCTOR CONNECTED IN SAID CIRCUIT AND TO ALTERNATE ONES OF SAID TEETH, WHEREBY ELECTRICAL CONTACT WITH SAID CONDUCTOR IS REPEATEDLY MADE AND BROKEN WHEN THE PROBE MEMBER IS DRAGGED OVER A METALLIC OBJECT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |