US3102002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferromagnetic materials prepared from lanthanons and transition metals
Assignee: University of Pittsburgh
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Filing: 1960-03-25
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Granted: 1963-08-27
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Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 William E Wallace
- 👤 Nassau Kurt
- 👤 Leonard V Cherry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:06
CPC Classifications
C; C22; C22C; C22C28/00; C22C19/00; C22C19/007; H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04; H01F1/047; H01F1/053; H01F1/055
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
31 words
AS COMPOSITIONS OF MATTER, INORGANIC COMPOUNDS WITH MAGNETIC PROPERTIES HAVING THE GENERAL FORMULA AMN5 WHEREIN A IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF HOLMIUM, DYSPROSIUM, NEODYMIUM, GADOLINIUM AND YTTRIUM.
Claim 2
Dependent Claim
31 words
AS COMPOSITIONS OF MATTER, INORGANIC COMPOUNDS WITH MAGNETIC PROPERTIES HAVING THE GENERAL FORMULA AMN5 WHEREIN A IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF HOLMIUM, DYSPROSIUM, NEODYMIUM, GADOLINIUM AND YTTRIUM.
Claim 3
Dependent Claim
31 words
AS COMPOSITIONS OF MATTER, INORGANIC COMPONDS WITH MAGNETIC PROPERTIES HAVING THE GENERAL FORMULA AMN2 WHEREIN A IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF DYSPROSIUM, HOLMIUM, NEODYMIUM, GADOLINIUM AND YTTRIUM.
Claim 4
Dependent Claim
31 words
AS COMPOSITIONS OF MATTER, INORGANIC COMPONDS WITH MAGNETIC PROPERTIES HAVING THE GENERAL FORMULA AMN2 WHEREIN A IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF DYSPROSIUM, HOLMIUM, NEODYMIUM, GADOLINIUM AND YTTRIUM.
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |