Patent US3441342A successfully refreshed from Google Patents.
US3441342A
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Frequency and phase error detection means for synchronization systems
Assignee: RCA Corp
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Filing: 1965-03-29
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Granted: 1969-04-29
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Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 Henry Ball
- 👤 Donald N Mclaughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:12
CPC Classifications
H; H02; H02P; H02P5/00; H02P5/46; H02P5/52; H02P5/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3164777A
Cited
US3058063A
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US3235800A
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US3227863A
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US3271675A
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US3324399A
Cited
US3312780A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |