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US2884522A
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Synchronous detector
Assignee: General Electric Co
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Filing: 1955-02-21
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Granted: 1959-04-28
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Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Michael Graser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:49
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/64; H04N9/66; H03; H03D; H03D1/00; H03D1/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2208091A
Cited
US2233706A
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US2322540A
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US2279058A
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US2498526A
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US2651758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |