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US2465380A
Expired / Lapsed
US
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Cathode-ray tube pulse separation and demodulation system
Assignee: STC PLC
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Filing: 1944-11-25
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Granted: 1949-03-29
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Expires: 1964-11-25
Abstract
No abstract record available.
Inventors
- 👤 Labin Emile
- 👤 Donald D Grieg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:38
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/045
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1757345A
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US2189898A
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US2057773A
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US2144337A
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US2262838A
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US2265216A
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US2256336A
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US2250528A
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US2308639A
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US2405252A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |