US2997582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television receiver with ultra high frequency cavity tuner inside very high frequency turret tuner
Assignee: TDK Micronas GmbH
•
Filing: 1957-10-24
•
Granted: 1961-08-22
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Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 John O Silvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:54
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2798955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |