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US2466067A
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High-frequency apparatus
Assignee: Unisys Corp
•
Filing: 1942-12-07
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Granted: 1949-04-05
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Expires: 1962-12-07
Abstract
No abstract record available.
Inventors
- 👤 John R Woodyard
- 👤 William W Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:45
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/02; H01J25/10; H01J25/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2108900A
Cited
US2151765A
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US2170219A
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US2190668A
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US2224649A
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US2216170A
Cited
US2298949A
Cited
US2289846A
Cited
US2392379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-04 | 1952-10-04 | 1953-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-04 | 1956-10-04 | 1957-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-04 | 1960-10-04 | 1961-04-05 | $7700.00 | Window Closed / Lapsed |