Patent US3363128A successfully refreshed from Google Patents.
US3363128A
Expired / Lapsed
US
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Convergence system for a tricolor, three-gun television tube
Assignee: CFT CIE FRANCAISE DE TELEVISIO
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Filing: 1965-07-20
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Granted: 1968-01-09
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Expires: 1985-07-20
Abstract
No abstract record available.
Inventors
- 👤 France Henri De
- 👤 Roger R Cahen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:01
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201; H01J31/203; H01J31/206; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; H01J29/46; H01J29/70; H01J29/701; H01J29/702; H01J29/705; H01J29/707
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |