US2814671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noise pulse interruption of synchronizing signal separator
Assignee: Zenith Electronics LLC
•
Filing: 1951-06-08
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Granted: 1957-11-26
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Expires: 1971-06-08
Abstract
No abstract record available.
Inventors
- 👤 Adler Robert
- 👤 Marks Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:13
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/21; H04N5/213
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2224134A
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GB497371A
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US2227056A
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FR845897A
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US2307375A
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US2266154A
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US2299333A
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US2493353A
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US2509975A
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US2632049A
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US2539374A
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US2632802A
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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) | 1960-11-25 | 1961-05-27 | 1961-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-25 | 1965-05-27 | 1965-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-25 | 1969-05-27 | 1969-11-26 | $7700.00 | Window Closed / Lapsed |