US3018405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Colour television tube
Assignee: SYLVANIA THORN COLOUR TELEVISION LABORATORIES Ltd
•
Filing: 1958-08-12
•
Granted: 1962-01-23
•
Expires: 1978-08-12
Abstract
No abstract record available.
Inventors
- 👤 Oxenham John Kenneth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:03
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)
US2705764A
Cited
US2644855A
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US2730640A
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US2689927A
Cited
US2768318A
Cited
US2736764A
Cited
US2769733A
Cited
US2756167A
Cited
US2916664A
Cited
US2862999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |