US2842723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable asymmetric electrical conductor systems
Assignee: Licentia Patent Verwaltungs GmbH
•
Filing: 1953-04-14
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Granted: 1958-07-08
•
Expires: 1973-04-14
Abstract
No abstract record available.
Inventors
- 👤 Koch Werner
- 👤 Thedieck Reiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:39
CPC Classifications
H; H10; H10D; H10D99/00; H10D62/00; H10D62/10; H10D84/00; H10D84/60; H10D84/645; H10P; H10P95/00; H10P95/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563503A
Cited
US2563504A
Cited
US2600500A
Cited
US2560594A
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US2629672A
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US2586080A
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US2597028A
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US2561411A
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US2691736A
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US2604496A
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US2740076A
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US2603694A
Cited
US2709232A
Cited
US2725315A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |