US2978699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio repeating systems
Assignee: TDK Micronas GmbH
•
Filing: 1944-08-28
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Granted: 1961-04-04
•
Expires: 1964-08-28
Abstract
No abstract record available.
Inventors
- 👤 Sven H M Dodington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:57
CPC Classifications
H; H03; H03K; H03K5/00; H03K5/13; G; G01; G01S; G01S13/00; G01S13/74; G01S13/76; G01S13/767; G01S7/00; G01S7/02; G01S7/38; G01S7/40; G01S7/4052; H03H; H03H9/00; H03H9/30; H03H9/36; G01S7/4082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2134716A
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US2263902A
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US2406316A
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US2312033A
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US2318417A
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US2408742A
Cited
US2408294A
Cited
US2405591A
Cited
US2448016A
Cited
US2403232A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |