Patent US3506775A successfully refreshed from Google Patents.
US3506775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television signal converter
Assignee: CBS Broadcasting Inc
•
Filing: 1966-10-14
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Granted: 1970-04-14
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Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Renville H Mcmann Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:42
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/12; H04N11/14; H04N11/20; H04N11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3267207A
Cited
US3336437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-13 | 1973-10-13 | 1974-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-13 | 1977-10-13 | 1978-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-13 | 1981-10-13 | 1982-04-14 | $7700.00 | Window Closed / Lapsed |