US2962345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorine-containing ferromagnetic material
Assignee: EIDP Inc
•
Filing: 1957-11-29
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Granted: 1960-11-29
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Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
- 👤 Lothar H Brixner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:56
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2691
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A COMPOSITION OF MATTER, THE FERROMAGNETIC MATERIAL HAVING THE EMPIRICAL FORMULA LIFE2O3F.
Claim 2
Dependent Claim
12 words
A COMPOSITION OF MATTER, THE FERROMAGNETIC MATERIAL HAVING THE EMPIRICAL FORMULA LIFE2O3F.
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) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |