Patent US2906815A successfully refreshed from Google Patents.
US2906815A
Expired / Lapsed
US
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Television relay and like apparatus
Assignee: EMI Ltd
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Filing: 1952-12-17
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Granted: 1959-09-29
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Expires: 1972-12-17
Abstract
No abstract record available.
Inventors
- 👤 Gargini Eric John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:03
CPC Classifications
H; H04; H04N; H04N9/00; H04N7/00; H04N7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2035545A
Cited
US2135577A
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US2394917A
Cited
US2437300A
Cited
US2628275A
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US2570475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |