US2583573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio receiving system
Assignee: Unisys Corp
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Filing: 1945-11-21
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Granted: 1952-01-29
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Expires: 1965-11-21
Abstract
No abstract record available.
Inventors
- 👤 Edwin T Jaynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:42
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/30; H04B1/302; G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/52; G01S13/536; G01S7/00; G01S7/02; G01S7/03; G01S7/038; G01S7/35; G01S7/352; G01S7/354
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |