US2797390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave transmission lines
Assignee: TDK Micronas GmbH
•
Filing: 1953-01-09
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Granted: 1957-06-25
•
Expires: 1973-01-09
Abstract
No abstract record available.
Inventors
- 👤 John A Kostriza
- 👤 Terranova Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:56
CPC Classifications
H; H01; H01P; H01P3/00; H01P3/02; H01P3/08; H01P3/081; H01P1/00; H01P1/02; H01P5/00; H01P5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2411555A
Cited
US2411553A
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US2446982A
Cited
US2611822A
Cited
US2602856A
Cited
US2721312A
Cited
US2654842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |