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Patent US3466400A successfully refreshed from Google Patents.
US3466400A
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Combined synchronous demodulator and active matrix
Assignee: Zenith Electronics LLC
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Filing: 1966-12-30
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Granted: 1969-09-09
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Expires: 1986-12-30
Abstract
No abstract record available.
Inventors
- 👤 Fleming Dias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:43
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/22; H03D1/2209; H03D1/2218; H04; H04N; H04N9/00; H04N9/64; H04N9/66
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3158816A
Cited
US3129288A
Cited
US3151218A
Cited
US3264413A
Cited
US3306981A
Cited
US3383608A
Cited
US3405229A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |