US2526353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized low-frequency oscillator
Assignee: RCA Corp
•
Filing: 1946-11-15
•
Granted: 1950-10-17
•
Expires: 1966-11-15
Abstract
No abstract record available.
Inventors
- 👤 Robert W Harralson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:54
CPC Classifications
H; H03; H03B; H03B21/00; H03B21/01; H03L; H03L7/00; H03L7/06; H03L7/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2099156A
Cited
US2248442A
Cited
US2307316A
Cited
US2316317A
Cited
US2406309A
Cited
US2406125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |