Patent US3245911A successfully refreshed from Google Patents.
US3245911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ni-mn-al-co-ferrite
Assignee: Thales SA
•
Filing: 1961-12-04
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Granted: 1966-04-12
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Vassiliev Avenir
- 👤 Nicolas Jean
- 👤 Hildebrandt Mieczyslaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:06
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A FERRITE COMPOSITION HAVING THE FOLLOWING FORMULA XNIO, YCOO, ZMNO2, VFE2O3, WAL2O3, WHERE: X=49-50 MOLES Y=1.2-1.6 MOLES Z=0.8-1.2 MOLES V=46-41 MOLES W=3-7 MOLES
Claim 2
Dependent Claim
23 words
A FERRITE COMPOSITION HAVING THE FOLLOWING FORMULA XNIO, YCOO, ZMNO2, VFE2O3, WAL2O3, WHERE: X=49-50 MOLES Y=1.2-1.6 MOLES Z=0.8-1.2 MOLES V=46-41 MOLES W=3-7 MOLES
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |