US2461515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television system
Assignee: Individual
•
Filing: 1945-07-16
•
Granted: 1949-02-15
•
Expires: 1965-07-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Bronwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:04
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2096986A
Cited
US2109540A
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US2200285A
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US2375966A
Cited
GB513518A
Cited
US2330172A
Cited
US2307188A
Cited
US2310863A
Cited
US2294820A
Cited
US2343825A
Cited
GB562168A
Cited
US2423830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |