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US2463267A
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High-frequency apparatus
Assignee: General Electric Co
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Filing: 1943-05-31
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Granted: 1949-03-01
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Expires: 1963-05-31
Abstract
No abstract record available.
Inventors
- 👤 William C Hahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:28
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2128236A
Cited
US2190515A
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US2287845A
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US2280026A
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US2304186A
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US2309966A
Cited
US2318106A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-29 | 1952-08-30 | 1953-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-29 | 1956-08-30 | 1957-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-29 | 1960-08-30 | 1961-03-01 | $7700.00 | Window Closed / Lapsed |