US3381139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse rise time enhancing saturable reactor
Assignee: United States Department of the Army
•
Filing: 1964-06-29
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Granted: 1968-04-30
•
Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Willard W Mcleod
- 👤 John R Caswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:45
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/45
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2137401A
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US2412893A
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US2803759A
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US2919414A
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US2912607A
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US3081409A
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US2909681A
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US3015778A
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US3149245A
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US3161783A
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US3248656A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |