Patent US2771504A successfully refreshed from Google Patents.
US2771504A
Expired / Lapsed
US
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Color television indexing system
Assignee: Lanteris Space LLC
•
Filing: 1951-12-11
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Granted: 1956-11-20
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Expires: 1971-12-11
Abstract
No abstract record available.
Inventors
- 👤 Robert C Moore
- 👤 Richard G Clapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:57
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2186393A
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US2178238A
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US2343825A
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US2454652A
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US2490812A
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US2530431A
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US2463535A
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US2545325A
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US2631259A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |