US3411960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ferromagnetic thin film alloy
Assignee: International Business Machines Corp
•
Filing: 1966-10-20
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Granted: 1968-11-19
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Expires: 1986-10-20
Abstract
No abstract record available.
Inventors
- 👤 Barry L Flur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:27
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/32; H01J37/34; H01J37/3402; C; C22; C22C; C22C19/00; C23; C23C; C23C14/00; C23C14/06; C23C14/14; C23C14/22; C23C14/34; C23C14/35; C23C14/351; H01F; H01F41/00; H01F41/14; H01F41/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124490A
Cited
US3269834A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |