US3030439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color index tube with beam wobble
Assignee: SYLVANIA THORN COLOUR TELEVISION LABORATORIES Ltd
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Filing: 1958-07-11
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Granted: 1962-04-17
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Expires: 1978-07-11
Abstract
No abstract record available.
Inventors
- 👤 Justice James William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:26
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2677723A
Cited
US2634326A
Cited
US2725421A
Cited
US2773118A
Cited
US2892020A
Cited
US2809233A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |