Patent US2778971A successfully refreshed from Google Patents.
US2778971A
Expired / Lapsed
US
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Indexing system for color television
Assignee: Lanteris Space LLC
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Filing: 1952-01-25
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Granted: 1957-01-22
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Expires: 1972-01-25
Abstract
No abstract record available.
Inventors
- 👤 David E Sunstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:00
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24; H01J2231/00; H01J2231/12; H01J2231/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2490812A
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US2530431A
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US2446440A
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US2545325A
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US2633547A
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US2631259A
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US2689927A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |