US2505589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television system
Assignee: RCA Corp
•
Filing: 1941-10-31
•
Granted: 1950-04-25
•
Expires: 1961-10-31
Abstract
No abstract record available.
Inventors
- 👤 Frank J Somers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:18
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/64; H04N9/73; H04J; H04J3/00; H04J3/02; H04J3/04; H04J3/042; H04N9/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2040954A
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US2237640A
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US2231668A
Cited
US2298987A
Cited
US2309506A
Cited
US2294820A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-24 | 1953-10-24 | 1954-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-24 | 1957-10-24 | 1958-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-24 | 1961-10-24 | 1962-04-25 | $7700.00 | Window Closed / Lapsed |