US2482766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency modulating system
Assignee: Unisys Corp
•
Filing: 1942-12-30
•
Granted: 1949-09-27
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Expires: 1962-12-30
Abstract
No abstract record available.
Inventors
- 👤 William W Hansen
- 👤 Russell H Varian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:51
CPC Classifications
H; H03; H03C; H03C5/00; H03C5/02; H01; H01J; H01J25/00; H01J25/02; H01J25/10; H01J25/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2200986A
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US2406370A
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US2259690A
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US2338237A
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US2317140A
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US2278210A
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US2283895A
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US2294942A
Cited
US2381320A
Cited
US2407667A
Cited
US2329780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |