US3144325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic compositions containing iron, rhodium, and at least one member of the lanthanide series
Assignee: EIDP Inc
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Filing: 1962-05-03
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Granted: 1964-08-11
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Expires: 1982-05-03
Abstract
No abstract record available.
Inventors
- 👤 Paul H L Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:20
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04; H01F1/047; H01F1/053; H01F1/055; C; C22; C22C; C22C5/00; C22C5/04; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/854
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
AN ALLOY COMPOSED OF (A) IRON, (B) RHODIUM, AND (C) AT LEAST ONE LANTHANIDE OF ATOMIC NUMBER 58-71 IN THE ATOM PROPORTIONS OF 0.8-1.2 OF (A), 0.8-1.2 OF (B) AND 0.01-0.40 OF (C).
Claim 2
Dependent Claim
33 words
AN ALLOY COMPOSED OF (A) IRON, (B) RHODIUM, AND (C) AT LEAST ONE LANTHANIDE OF ATOMIC NUMBER 58-71 IN THE ATOM PROPORTIONS OF 0.8-1.2 OF (A), 0.8-1.2 OF (B) AND 0.01-0.40 OF (C).
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-11 | 1968-02-10 | 1968-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-11 | 1972-02-10 | 1972-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-11 | 1976-02-10 | 1976-08-11 | $7700.00 | Window Closed / Lapsed |