US2630544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling wave electronic tube
Assignee: Lanteris Space LLC
•
Filing: 1948-03-20
•
Granted: 1953-03-03
•
Expires: 1968-03-20
Abstract
No abstract record available.
Inventors
- 👤 John W Tiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:40
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/08; H01J23/083; H01J23/16; H01J23/24; H01J23/26; H01J23/27; H01J3/00; H01J3/02; H05; H05H; H05H9/00; H05H9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2233126A
Cited
US2122538A
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US2300052A
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US2367295A
Cited
US2439401A
Cited
US2575383A
Cited
US2584802A
Cited
US2578434A
Cited
US2516944A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-02 | 1956-09-01 | 1957-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-02 | 1960-09-01 | 1961-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-02 | 1964-09-01 | 1965-03-03 | $7700.00 | Window Closed / Lapsed |