US3029338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diversity combining system
Assignee: TDK Micronas GmbH
•
Filing: 1958-12-16
•
Granted: 1962-04-10
•
Expires: 1978-12-16
Abstract
No abstract record available.
Inventors
- 👤 Sichak William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:00
CPC Classifications
H; H04; H04B; H04B7/00; H04B7/02; H04B7/04; H04B7/08; H04B7/0837; H04B7/084; H04B7/0842; H04B7/0865; H04B7/0882; H04B7/0885; H04B7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1636115A
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US1747221A
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US2070418A
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US2269594A
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US2375126A
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US2413543A
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US2511014A
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US2520188A
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US2683213A
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US2691726A
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US2786133A
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US2899548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |