US3068425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Travelling wave tube oscillator and electron accelerating device
Assignee: Thales SA
•
Filing: 1958-06-10
•
Granted: 1962-12-11
•
Expires: 1978-06-10
Abstract
No abstract record available.
Inventors
- 👤 Boutet Hubert Le
- 👤 Vincent Germaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:20
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/34; H01J25/36; H01J25/40; H05; H05H; H05H9/00; H05H9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2300052A
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US2479084A
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FR969886A
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DE841767C
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US2881348A
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US2830271A
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US2871451A
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US2849643A
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US2922074A
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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) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |