US3215904A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mine counter measure ships degaussing status indicator
Assignee: Individual
•
Filing: 1961-12-22
•
Granted: 1965-11-02
•
Expires: 1981-12-22
Abstract
No abstract record available.
Inventors
- 👤 Wayne E Burt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:39
CPC Classifications
B; B63; B63G; B63G9/00; B63G9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A SHIP MAGNETIC FIELD MONITORING SYSTEM COMPRISING: A PLURALITY OF MAGNETIC FIELD SENSING DEVICES CAPABLE OF REPEATEDLY PROVIDING ELECTRICAL SIGNALS CORRESPONDING TO THE SENSED MAGNETIC FIELD; SCANNING MEANS FOR SCANNING SAID ELECTRICAL SIGNALS; INDICATING MEANS RESPONSIVE TO SAID SCANNING MEANS FOR PROVIDING A VISUAL INDICATION OF SAID SCANNED SIGNALS; SAID INDICATING MEANS INCLUDING A CATHODE RAY TUBE UPON WHICH SAID SCANNED SIGNALS ARE DISPLAYED; MEANS FOR SENSING THE EARTH''S MAGNETIC FIELD IN THE VICINITY OF SAID SHIP AND DERIVING AN ELECTRICAL SIGNAL THEREFROM; AND MEANS FOR SUBTRACTING THE SIGNAL CORRESPONDING TO THE EARTH''S MAGNETIC FIELD FROM THE SIGNALS TRANSMITTED TO SAID SCANNER FROM SAID SENSING DEVICE TO PROVIDE AN OUTPUT SIGNAL FOR CONTROLLING DEGAUSSING EQUIPMENT.
Claim 2
Dependent Claim
115 words
A SHIP MAGNETIC FIELD MONITORING SYSTEM COMPRISING: A PLURALITY OF MAGNETIC FIELD SENSING DEVICES CAPABLE OF REPEATEDLY PROVIDING ELECTRICAL SIGNALS CORRESPONDING TO THE SENSED MAGNETIC FIELD; SCANNING MEANS FOR SCANNING SAID ELECTRICAL SIGNALS; INDICATING MEANS RESPONSIVE TO SAID SCANNING MEANS FOR PROVIDING A VISUAL INDICATION OF SAID SCANNED SIGNALS; SAID INDICATING MEANS INCLUDING A CATHODE RAY TUBE UPON WHICH SAID SCANNED SIGNALS ARE DISPLAYED; MEANS FOR SENSING THE EARTH''S MAGNETIC FIELD IN THE VICINITY OF SAID SHIP AND DERIVING AN ELECTRICAL SIGNAL THEREFROM; AND MEANS FOR SUBTRACTING THE SIGNAL CORRESPONDING TO THE EARTH''S MAGNETIC FIELD FROM THE SIGNALS TRANSMITTED TO SAID SCANNER FROM SAID SENSING DEVICE TO PROVIDE AN OUTPUT SIGNAL FOR CONTROLLING DEGAUSSING EQUIPMENT.
References Cited (Backward Citations)
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Cited
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Cited
US2832041A
Cited
US2856579A
Cited
US2891502A
Cited
US3061239A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |