US3096288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferri-magnetic spinel bodies
Assignee: Union Carbide Corp
•
Filing: 1957-12-23
•
Granted: 1963-07-02
•
Expires: 1977-12-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond V Sarakauskas
- 👤 Mason C Cox
- 👤 Norman R Thielke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:35
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/26; C04B35/2608; C04B35/2616
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A SUBSTITUTED FERRITE MATERIAL OF SPINEL STRUCTURE SUITABLE FOR USE AS LOW CORES IN ELECTRIC COMPONENTS, SAID MATERIAL HAVING THE FORMULA:
Claim 2
Dependent Claim
21 words
A SUBSTITUTED FERRITE MATERIAL OF SPINEL STRUCTURE SUITABLE FOR USE AS LOW CORES IN ELECTRIC COMPONENTS, SAID MATERIAL HAVING THE FORMULA:
References Cited (Backward Citations)
CA514251A
Cited
US2640813A
Cited
US2549089A
Cited
NL76660C
Cited
US2584324A
Cited
US2736708A
Cited
GB735375A
Cited
GB713370A
Cited
US2851419A
Cited
GB752659A
Cited
FR1100865A
Cited
US2770523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |