US3393336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three gun color tube with central gun of smaller cross-section than lateral guns
Assignee: Compagnie Francaise de Television SA
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Filing: 1966-05-17
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Granted: 1968-07-16
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Expires: 1986-05-17
Abstract
No abstract record available.
Inventors
- 👤 France Henri De
- 👤 Cahen Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:28
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; H04N5/2222; H01; H01J; H01J29/00; H01J29/46; H01J29/48; H01J29/50; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201; H01J31/203; H01J31/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |