Patent US2476854A successfully refreshed from Google Patents.
US2476854A
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Transformer
Assignee: RCA Corp
•
Filing: 1945-10-02
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Granted: 1949-07-19
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Expires: 1965-10-02
Abstract
No abstract record available.
Inventors
- 👤 Albert W Friend
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:34
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H01; H01F; H01F19/00; H01F19/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1727224A
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US1815380A
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FR792130A
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AU2352435A
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US2180413A
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US2158613A
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US2218764A
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US2280733A
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US2318271A
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US2361187A
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US2441116A
Cited
US2439277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-18 | 1953-01-17 | 1953-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-18 | 1957-01-17 | 1957-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-18 | 1961-01-17 | 1961-07-19 | $7700.00 | Window Closed / Lapsed |