US2529485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television
Assignee: Individual
•
Filing: 1945-10-09
•
Granted: 1950-11-14
•
Expires: 1965-10-09
Abstract
No abstract record available.
Inventors
- 👤 Thornton W Chew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:18
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB443896A
Cited
US2280946A
Cited
US2307188A
Cited
US2294820A
Cited
US2312792A
Cited
US2416056A
Cited
US2461515A
Cited
US2446249A
Cited
US2446440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |