Patent US2775654A successfully refreshed from Google Patents.
US2775654A
Expired / Lapsed
US
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Circuit for adjusting amplitude distortion
Assignee: Pye Electronic Products Ltd
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Filing: 1950-12-11
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Granted: 1956-12-25
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Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Weighton Donald
- 👤 Lax Ladislav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:05
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/20; H04N5/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2225337A
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US2271876A
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US2313096A
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US2368454A
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US2440283A
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US2443864A
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US2440682A
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US2542160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |