US2801363A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dynamic electron beam control systems
Assignee: RCA Corp
•
Filing: 1953-04-29
•
Granted: 1957-07-30
•
Expires: 1973-04-29
Abstract
No abstract record available.
Inventors
- 👤 Sonnenfeldt Richard Wolfgang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:33
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2369631A
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US2570701A
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US2510027A
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US2572858A
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US2621309A
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US2687493A
Cited
US2664521A
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US2678405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |