US3460104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic domain propagation device
Assignee: AT&T Inc
•
Filing: 1965-08-25
•
Granted: 1969-08-05
•
Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Andrew H Bobeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:29
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/02; G11C19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3114898A
Cited
US3148360A
Cited
US3248716A
Cited
US3316543A
Cited
US3295114A
Cited
US3351922A
Cited
US3394358A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |