Patent US3460112A successfully refreshed from Google Patents.
US3460112A
Expired / Lapsed
US
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Magnetic domain propagation device
Assignee: AT&T Inc
•
Filing: 1965-11-30
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Granted: 1969-08-05
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Expires: 1985-11-30
Abstract
No abstract record available.
Inventors
- 👤 Andrew H Bobeck
- 👤 Reginald A Kaenel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
H; H04; H04L; H04L1/00; H04L1/004; H04L9/00; H04L9/34; H04L2209/00; H04L2209/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3114898A
Cited
US3370280A
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 |