US2646528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for reproducing images in color
Assignee: RCA Corp
•
Filing: 1951-10-11
•
Granted: 1953-07-21
•
Expires: 1971-10-11
Abstract
No abstract record available.
Inventors
- 👤 Peter H Werenfels
- 👤 James E Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:02
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)
DE736575C
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US2426208A
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US2395966A
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US2464558A
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GB589345A
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US2527718A
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US2538494A
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US2532435A
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US2474177A
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US2577368A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-20 | 1957-01-19 | 1957-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-20 | 1961-01-19 | 1961-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-20 | 1965-01-19 | 1965-07-21 | $7700.00 | Window Closed / Lapsed |