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US2807661A
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Matrixing apparatus for a color-signal translating system
Assignee: Hazeltine Research Inc
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Filing: 1953-11-24
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Granted: 1957-09-24
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Expires: 1973-11-24
Abstract
No abstract record available.
Inventors
- 👤 Walter C Espenlaub
- 👤 Bernard D Loughlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:48
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/64; H04N9/67
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) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |