Patent US2711586A successfully refreshed from Google Patents.
US3017455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pick-up devices for colour television
Assignee: EMI Ltd
•
Filing: 1958-04-07
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Granted: 1962-01-16
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Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Watson George Ross
- 👤 Perkins Denis Gordon
- 👤 James Ivanhoe John Penfound
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:30
CPC Classifications
H; H04; H04N; H04N23/00; H04N23/10; H04N23/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |