US3513350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convergence deflection system for a color picture tube
Assignee: Sony Corp
•
Filing: 1968-04-04
•
Granted: 1970-05-19
•
Expires: 1988-04-04
Abstract
No abstract record available.
Inventors
- 👤 Akio Ohgoshi
- 👤 Minoru Morio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:05
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/48; H01J29/51
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2679614A
Cited
US2716718A
Cited
US2928981A
Cited
US2907915A
Cited
US2975325A
Cited
US3163797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |