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Patent US2964670A successfully refreshed from Google Patents.
US2964670A
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US
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Traveling wave tube
Assignee: RCA Corp
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Filing: 1959-12-01
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Granted: 1960-12-13
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Expires: 1979-12-01
Abstract
No abstract record available.
Inventors
- 👤 Edward E Bliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:26
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/08; H01J23/087; H01J23/0873
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |