US2854640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic delay cable
Assignee: TDK Micronas GmbH
•
Filing: 1954-05-11
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Granted: 1958-09-30
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Expires: 1974-05-11
Abstract
No abstract record available.
Inventors
- 👤 Henry G Nordlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:00
CPC Classifications
H; H01; H01P; H01P9/00; H01P9/02; H01B; H01B11/00; H01B11/02; H01B11/12; H01B11/14; H01B11/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2005360A
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US2387783A
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US2453313A
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US2467857A
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US2520991A
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US2650350A
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US2619537A
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US2727945A
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FR1047856A
Cited
US2704829A
Cited
US2756394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |