Patent US2431766A successfully refreshed from Google Patents.
US2431766A
Expired / Lapsed
US
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Modified sweep circuit for cathode-ray tubes
Assignee: RCA Corp
•
Filing: 1943-09-10
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Granted: 1947-12-02
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Expires: 1963-09-10
Abstract
No abstract record available.
Inventors
- 👤 William A Miller
- 👤 Eugene R Shenk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:51
CPC Classifications
G; G01; G01R; G01R13/00; G01R13/20; G01R13/22; G01R13/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2108152A
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US2328248A
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US2201020A
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US2241256A
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US2248975A
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US2265848A
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US2347008A
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US2329137A
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US2297742A
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US2350069A
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US2355363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |