Patent US2860277A successfully refreshed from Google Patents.
US2860277A
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US
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Traveling-wave tube collector electrode
Assignee: Raytheon Co
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Filing: 1955-09-02
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Granted: 1958-11-11
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Expires: 1975-09-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Iversen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:19
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/027; H01J23/033
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2112958A
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US2295680A
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US2486398A
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US2466064A
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US2794143A
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US2774006A
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US2619611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |