Patent US3440340A successfully refreshed from Google Patents.
US3440340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television signal recording and reproducing system
Assignee: Fujitsu General Ltd
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Filing: 1965-08-03
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Granted: 1969-04-22
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 Yasumasa Sugihara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:41
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/79; H04N9/80; H04N9/81; H04N11/00; H04N11/06; H04N11/20; H04N11/22; H04N5/00; H04N5/76; H04N5/765; H04N5/775; H04N7/00; H04N7/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2680778A
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US3099709A
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US2938945A
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US2892022A
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US3035116A
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US3267207A
Cited
US3303275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |