Patent US2877344A successfully refreshed from Google Patents.
US2877344A
Expired / Lapsed
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Transmitter-receiver tuning system
Assignee: TDK Micronas GmbH
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Filing: 1955-08-29
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Granted: 1959-03-10
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Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Sven H M Dodington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:08
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/50; G; G01; G01S; G01S1/00; G01S1/02; G01S13/00; G01S13/74; G01S13/76; G01S13/82; G01S13/84; G01S3/00; G01S3/02; G01S3/14; G01S3/38; G01S3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2671896A
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US2684478A
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US2469875A
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US2425013A
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US2704323A
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US2788520A
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US2725555A
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US2777054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |