US2431179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multitube self-pulsing oscillator
Assignee: RCA Corp
•
Filing: 1942-10-03
•
Granted: 1947-11-18
•
Expires: 1962-10-03
Abstract
No abstract record available.
Inventors
- 👤 Carroll D Kentner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:06
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/78
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1621034A
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US1776381A
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US1698290A
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US1896417A
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US1950400A
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US2007662A
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US2081425A
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US2189402A
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US2358297A
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US2297742A
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US2382954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |