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US2602145A
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Control grille assembly for colorkinescopes, etc.
Assignee: RCA Corp
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Filing: 1950-08-25
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Granted: 1952-07-01
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Expires: 1970-08-25
Abstract
No abstract record available.
Inventors
- 👤 Harold B Law
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:53
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24; H01; H01J; H01J19/00; H01J19/28; H01J19/38; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0015
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1814805A
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US2343825A
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US2461515A
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US2490812A
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US2446249A
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US2446440A
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US2498705A
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US2518200A
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US2543477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |