US2895009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Channeling system for frequency spectrum transmission
Assignee: TDK Micronas GmbH
•
Filing: 1953-06-29
•
Granted: 1959-07-14
•
Expires: 1973-06-29
Abstract
No abstract record available.
Inventors
- 👤 Henri G Busignies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:46
CPC Classifications
G; G01; G01S; G01S1/00; G01S1/02; G01S1/68; H; H04; H04B; H04B1/00; H04B1/69; H04B7/00; H04B7/02; H04B7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1910977A
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US2426460A
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US2430296A
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US2437281A
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US2611825A
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US2559644A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |