Patent US3166636A successfully refreshed from Google Patents.
US3503054A
Expired / Lapsed
US
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Domain wall propagation in magnetic shefts
Assignee: AT&T Inc
•
Filing: 1967-10-12
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Granted: 1970-03-24
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Expires: 1987-10-12
Abstract
No abstract record available.
Inventors
- 👤 Andrew H Bobeck
- 👤 William J Tabor
- 👤 Alfred A Thiele
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:36
CPC Classifications
G; G11; G11C; G11C19/00; G11C19/02; G11C19/08; G11C19/0808; G11C19/0841; G11C11/00; G11C11/02; G11C11/14; G11C19/0825
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3114898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-23 | 1973-09-22 | 1974-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-23 | 1977-09-22 | 1978-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-23 | 1981-09-22 | 1982-03-24 | $7700.00 | Window Closed / Lapsed |