US2888596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling wave tubes
Assignee: Raytheon Co
•
Filing: 1952-08-08
•
Granted: 1959-05-26
•
Expires: 1972-08-08
Abstract
No abstract record available.
Inventors
- 👤 Rudenberg Hermann Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:48
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2284751A
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US2403795A
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US2464349A
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US2458167A
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US2541843A
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US2672572A
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US2653271A
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US2521426A
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US2817037A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |