US3110282A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Degaussing control
Assignee: Individual
•
Filing: 1960-08-24
•
Granted: 1963-11-12
•
Expires: 1980-08-24
Abstract
No abstract record available.
Inventors
- 👤 Friedrich M O Foerster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:42
CPC Classifications
B; B63; B63G; B63G9/00; B63G9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
IN A DEGAUSSING SYSTEM FOR A SHIP HAVING PARTS OF MAGNETIC MATERIAL WHICH PRODUCE DISTORTIONS OF THE EARTH''S FIELD DIVISIBLE INTO COMPONENTS INCLUDING THREE PERMANENT COMPONENTS AND THREE INDUCED COMPONENTS IN THREE MUTUALLY PERPENDICULAR DIRECTIONS RELATIVE TO THE SHIP, A FIRST SET OF THREE COIL MEANS FOR DEVELOPING FIELDS IN SAID THREE MUTUALLY PERPENDICULAR DIRECTIONS, MEANS CONNECTING SAID FIRST SET OF THREE COIL MEANS TO A DIRECT CURRENT SOURCE TO APPLY A CONSTANT CURRENT THERETO, A SECOND SET OF THREE COIL MEANS FOR DEVELOPING FIELD IN SAID THREE MUTUALLY PERPENDICULAR DIRECTIONS, THREE AMPLIFIER MEANS FOR SUPPLYING CURRENT TO SAID SECOND SET OF COIL MEANS, A PROBE ASSEMBLY, MEANS FOR MOUNTING SAID PROBE ASSEMBLY ON THE SHIP''S MAST, SAID PROBE ASSEMBLY INCLUDING THREE UNITS FOR DEVELOPING SIGNALS PROPORTIONAL TO THE COMPONENTS OF THE EARTH''S FIELD IN SAID THREE MUTUALLY PERPENDICULAR DIRECTIONS, AND MEANS APPLYING SAID SIGNALS TO SAID AMPLIFIER MEANS.
Claim 2
Dependent Claim
149 words
IN A DEGAUSSING SYSTEM FOR A SHIP HAVING PARTS OF MAGNETIC MATERIAL WHICH PRODUCE DISTORTIONS OF THE EARTH''S FIELD DIVISIBLE INTO COMPONENTS INCLUDING THREE PERMANENT COMPONENTS AND THREE INDUCED COMPONENTS IN THREE MUTUALLY PERPENDICULAR DIRECTIONS RELATIVE TO THE SHIP, A FIRST SET OF THREE COIL MEANS FOR DEVELOPING FIELDS IN SAID THREE MUTUALLY PERPENDICULAR DIRECTIONS, MEANS CONNECTING SAID FIRST SET OF THREE COIL MEANS TO A DIRECT CURRENT SOURCE TO APPLY A CONSTANT CURRENT THERETO, A SECOND SET OF THREE COIL MEANS FOR DEVELOPING FIELD IN SAID THREE MUTUALLY PERPENDICULAR DIRECTIONS, THREE AMPLIFIER MEANS FOR SUPPLYING CURRENT TO SAID SECOND SET OF COIL MEANS, A PROBE ASSEMBLY, MEANS FOR MOUNTING SAID PROBE ASSEMBLY ON THE SHIP''S MAST, SAID PROBE ASSEMBLY INCLUDING THREE UNITS FOR DEVELOPING SIGNALS PROPORTIONAL TO THE COMPONENTS OF THE EARTH''S FIELD IN SAID THREE MUTUALLY PERPENDICULAR DIRECTIONS, AND MEANS APPLYING SAID SIGNALS TO SAID AMPLIFIER MEANS.
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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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |