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US2816173A
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US
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Device of open-wire multiple conductors
Assignee: Telefonaktiebolaget LM Ericsson AB
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Filing: 1954-01-19
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Granted: 1957-12-10
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Expires: 1974-01-19
Abstract
No abstract record available.
Inventors
- 👤 Dietsch Arne Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:12
CPC Classifications
H; H04; H04Q; H04Q1/00; H04Q1/02; H04Q1/16; H01; H01H; H01H67/00; H01H67/22; H01H67/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2434373A
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US2598085A
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US2577067A
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US2680783A
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US2718559A
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US2758158A
Cited
US2731516A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |