US2755402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color kinescopes of the masked-target dot-screen variety
Assignee: RCA Corp
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Filing: 1953-09-28
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Granted: 1956-07-17
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Expires: 1973-09-28
Abstract
No abstract record available.
Inventors
- 👤 Albert M Morrell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:34
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201; H01J31/203; H01J31/205; H01J29/00; H01J29/02; H01J29/06; H01J29/07; H01J29/076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |