Patent US2446017A successfully refreshed from Google Patents.
US2446017A
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Ultra high frequency electric discharge device and cavity resonator apparatus therefor
Assignee: General Electric Co
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Filing: 1944-01-29
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Granted: 1948-07-27
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Expires: 1964-01-29
Abstract
No abstract record available.
Inventors
- 👤 Elmer D Mcarthur
- 👤 James E Beggs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:56
CPC Classifications
H; H01; H01J; H01J21/00; H01J21/02; H01J21/06; H01J21/065
Claims Analysis
Total Claims: 0
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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) | 1951-07-27 | 1952-01-26 | 1952-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-27 | 1956-01-26 | 1956-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-27 | 1960-01-26 | 1960-07-27 | $7700.00 | Window Closed / Lapsed |