US3012305A
Expired / Lapsed
US
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Electrically unsymmetrically conductive system and method for producing same
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1957-06-07
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Granted: 1961-12-12
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Expires: 1977-06-07
Abstract
No abstract record available.
Inventors
- 👤 Ginsbach Karl-Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:00
CPC Classifications
H; H10; H10D; H10D99/00; C; C30; C30B; C30B15/00; C30B15/20; C30B31/00; C30B31/06; C30B31/18; H10D62/00; H10D62/60; H10P; H10P32/00; H10P32/10; H10P32/16; H10P95/00; H10P95/50; Y; Y10; Y10S; Y10S438/00; Y10S438/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2665399A
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US2701326A
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US2697269A
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US2603693A
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US2731704A
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US2751528A
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US2806983A
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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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |