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Patent US3382399A successfully refreshed from Google Patents.
US3382399A
Expired / Lapsed
US
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Modified traveling wave tube
Assignee: United States Department of the Army
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Filing: 1965-05-06
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Granted: 1968-05-07
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Expires: 1985-05-06
Abstract
No abstract record available.
Inventors
- 👤 Garoff Kenton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:06
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/26; H01J25/00; H01J25/34; H01J25/36; H01J25/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |