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Patent US2566698A successfully refreshed from Google Patents.
US2566698A
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Modulation distortion correction
Assignee: RCA Corp
•
Filing: 1947-08-28
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Granted: 1951-09-04
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Expires: 1967-08-28
Abstract
No abstract record available.
Inventors
- 👤 Gordon L Fredendall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:20
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/20; H04N5/205; H04N5/208
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2176587A
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US2206638A
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US2263376A
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US2299875A
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US2298930A
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US2378797A
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US2385563A
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US2438217A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |