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US2723345A
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US
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Radio receiver system
Assignee: TDK Micronas GmbH
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Filing: 1952-10-07
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Granted: 1955-11-08
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Expires: 1972-10-07
Abstract
No abstract record available.
Inventors
- 👤 Sidney W Lewinter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:31
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2163680A
Cited
US2178552A
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US2535257A
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US2519223A
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US2564014A
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US2611036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |