US3435323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetoresistive modulator
Assignee: United States Department of the Navy
•
Filing: 1967-08-29
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Granted: 1969-03-25
•
Expires: 1987-08-29
Abstract
No abstract record available.
Inventors
- 👤 Harry H Wieder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:11
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/38; H03F3/387; H02; H02M; H02M11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2167254A
Cited
US2982906A
Cited
US3050643A
Cited
US3110824A
Cited
US3264416A
Cited
US3290595A
Cited
US3360770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |