US3100167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic material
Assignee: General Electric Co
•
Filing: 1960-10-19
•
Granted: 1963-08-06
•
Expires: 1980-10-19
Abstract
No abstract record available.
Inventors
- 👤 Richard B Falk
- 👤 George D Hooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:04
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/01; H01F1/03; H01F1/032; H01F1/04; H01F1/06; C; C25; C25C; C25C5/00; C25C5/02; H01F1/061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
MAGNETIC MATERIAL COMPRISING NON-ELONGATED FINE PARTICLES, EACH OF SAID PARTICLES CONSISTING ESSENTIALLY OF AN ALLOY OF FROM 5 TO 25 PERCENT NICKEL, THE BALANCE SUBSTANTIALLY ALL COBALT AND IMPURITIES, THE DIMENSIONS OF EACH OF SAID PARTICLES BEING THAT OF A SINGLE MAGNETIC DOMAIN.
Claim 2
Dependent Claim
43 words
MAGNETIC MATERIAL COMPRISING NON-ELONGATED FINE PARTICLES, EACH OF SAID PARTICLES CONSISTING ESSENTIALLY OF AN ALLOY OF FROM 5 TO 25 PERCENT NICKEL, THE BALANCE SUBSTANTIALLY ALL COBALT AND IMPURITIES, THE DIMENSIONS OF EACH OF SAID PARTICLES BEING THAT OF A SINGLE MAGNETIC DOMAIN.
References Cited (Backward Citations)
US1853924A
Cited
US1954102A
Cited
US2242234A
Cited
US2744040A
Cited
US2812276A
Cited
US2974104A
Cited
US2999778A
Cited
US2999777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |