Patent US2484822A successfully refreshed from Google Patents.
US2484822A
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Switching apparatus for ultra high frequencies
Assignee: Unisys Corp
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Filing: 1944-04-24
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Granted: 1949-10-18
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Expires: 1964-04-24
Abstract
No abstract record available.
Inventors
- 👤 Robert V Gould
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:57
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/24; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2206923A
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US2206683A
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US2207845A
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US2223224A
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US2396044A
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US2415242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |