US3124490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable axis magnetic
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
•
Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:28
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/84; G11B5/85; H; H01; H01F; H01F10/00; H01F10/08; H01F10/10; H01F10/12; H01F10/14; H01F10/147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A THIN FILM OF A NICKEL-IRON BASE MAGNETIC ALLOY OF A THICKNESS OF 500 TO 10,000 A. AND CONTAINING MORE THAN 0.5% AND NOT MORE THAN 4.5% OF AN INTERSTITIAL ELEMENT SELECTED FROM THE GROUP CONSISTING OF CARBON, NITROGEN, BORON, PHOSPHORUS AND SULPHUR, SAID FILM BEING PARTLY ANISOTROPIC AND CHANGING EASY AND HARD DIRECTIONS AT ROOM TEMPERATURE ON APPLICATION OF A HIGH MAGNETIC FIELD.
Claim 2
Dependent Claim
64 words
A THIN FILM OF A NICKEL-IRON BASE MAGNETIC ALLOY OF A THICKNESS OF 500 TO 10,000 A. AND CONTAINING MORE THAN 0.5% AND NOT MORE THAN 4.5% OF AN INTERSTITIAL ELEMENT SELECTED FROM THE GROUP CONSISTING OF CARBON, NITROGEN, BORON, PHOSPHORUS AND SULPHUR, SAID FILM BEING PARTLY ANISOTROPIC AND CHANGING EASY AND HARD DIRECTIONS AT ROOM TEMPERATURE ON APPLICATION OF A HIGH MAGNETIC FIELD.
References Cited (Backward Citations)
US2041480A
Cited
US2631118A
Cited
US2881094A
Cited
US2853402A
Cited
US2919207A
Cited
US2914393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |