Patent US2627547A successfully refreshed from Google Patents.
US2627547A
Expired / Lapsed
US
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Gamma control
Assignee: RCA Corp
•
Filing: 1948-04-29
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Granted: 1953-02-03
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Expires: 1968-04-29
Abstract
No abstract record available.
Inventors
- 👤 Alda V Bedford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:14
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/64; H04N9/68; H04N9/69
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2083374A
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US2492926A
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US2231668A
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US2406760A
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US2415051A
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US2413706A
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US2423769A
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US2389039A
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US2434561A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |