US2529579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frequency control of highfrequency oscillations
Assignee: RCA Corp
•
Filing: 1948-01-29
•
Granted: 1950-11-14
•
Expires: 1968-01-29
Abstract
No abstract record available.
Inventors
- 👤 Leland E Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:37
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/02; H03L7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2337214A
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US2444073A
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US2409222A
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US2414496A
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US2404568A
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US2413244A
Cited
US2408817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |