Patent EP0543107A2 successfully refreshed from Google Patents.
US2483149A
Expired / Lapsed
US
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Television film projection with synchronized discharge lamp
Assignee: General Electric Co
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Filing: 1946-03-13
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Granted: 1949-09-27
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Expires: 1966-03-13
Abstract
No abstract record available.
Inventors
- 👤 Donald E Norgaard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:45
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/36; H04N3/40; H04N3/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB507146A
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US1262590A
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US1648687A
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US1876083A
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US2186013A
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AU2553935A
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GB502051A
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FR843392A
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US2303960A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |