Patent US4289139A successfully refreshed from Google Patents.
US2929006A
Expired / Lapsed
US
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Junction transistor
Assignee: Siemens Schuckertwerke AG
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Filing: 1955-11-25
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Granted: 1960-03-15
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Expires: 1975-11-25
Abstract
No abstract record available.
Inventors
- 👤 Herlet Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:37
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/30; H10D48/32; H10D48/34; H10D48/345; H10D10/00; H10D62/00; H10D62/10; H10D62/60; H10D99/00; H10P; H10P50/00; H10P95/00; H10P95/50; H10W; H10W42/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2666814A
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US2728034A
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US2764642A
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US2714183A
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US2721965A
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US2827599A
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US2820154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |