Patent US2580903A successfully refreshed from Google Patents.
US2580903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television system
Assignee: RCA Corp
•
Filing: 1947-06-02
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Granted: 1952-01-01
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Expires: 1967-06-02
Abstract
No abstract record available.
Inventors
- 👤 John E Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:47
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2233183A
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US2309678A
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US2335180A
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US2350536A
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US2513159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |