US2613333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television receiving apparatus
Assignee: EMI Ltd
•
Filing: 1948-07-24
•
Granted: 1952-10-07
•
Expires: 1968-07-24
Abstract
No abstract record available.
Inventors
- 👤 Bull Eric William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:03
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/52; H04; H04N; H04N5/00; H04N5/66; H04N5/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2007380A
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US2137353A
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US2098390A
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US2212640A
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US2168978A
Cited
US2253312A
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US2304163A
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US2431115A
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US2481839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |