Patent US4500564A successfully refreshed from Google Patents.
US3377501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Line deflection circuit for use in television receivers with a frequency-dependent network connecting the feedback control circuit with the control electrode of the output amplifier
Assignee: US Philips Corp
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Filing: 1964-07-24
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Granted: 1968-04-09
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Expires: 1984-07-24
Abstract
No abstract record available.
Inventors
- 👤 Janssen Peter Johanne Hubertus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:15
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/18; H04N3/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2621309A
Cited
US3061757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |