US2444651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaping circuit for cathode beam tubes
Assignee: RCA Corp
•
Filing: 1944-11-30
•
Granted: 1948-07-06
•
Expires: 1964-11-30
Abstract
No abstract record available.
Inventors
- 👤 Mack C Jones
- 👤 Jr Leslie E Matson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:56
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/10; G01S7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2100279A
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US2265848A
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US2312761A
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US2347008A
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US2313966A
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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) | 1951-07-06 | 1952-01-05 | 1952-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-06 | 1956-01-05 | 1956-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-06 | 1960-01-05 | 1960-07-06 | $7700.00 | Window Closed / Lapsed |