Patent US2530995A successfully refreshed from Google Patents.
US2530995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillator tank circuit configuration
Assignee: Westinghouse Electric Corp
•
Filing: 1946-10-07
•
Granted: 1950-11-21
•
Expires: 1966-10-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Rupert L Rumpf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:06
CPC Classifications
H; H03; H03B; H03B5/00; H03B5/18; H03B5/1817; H03B5/1835
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US464667A
Cited
US793647A
Cited
US1422312A
Cited
US1702413A
Cited
US1943714A
Cited
US2120518A
Cited
US2272211A
Cited
US2398502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |