US2796519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning device
Assignee: RCA Corp
•
Filing: 1956-01-30
•
Granted: 1957-06-18
•
Expires: 1976-01-30
Abstract
No abstract record available.
Inventors
- 👤 Papouschek Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:20
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB382076A
Cited
GB538389A
Cited
US2679005A
Cited
US2555391A
Cited
US2540824A
Cited
US2568412A
Cited
GB704982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |