US2817048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transistor arrangement
Assignee: Siemens and Halske AG
•
Filing: 1955-12-13
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Granted: 1957-12-17
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Expires: 1975-12-13
Abstract
No abstract record available.
Inventors
- 👤 Thuermel Eberhard
- 👤 Siebertz Karl
- 👤 Henker Heinz
- 👤 Enderlein Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/224; H01C; H01C7/00; H01C7/04; H01G4/018; H01G4/20; H01G4/206; H10; H10W; H10W40/00; H10W40/10; H10W40/20; H10W40/25; H10W40/251; H10W40/70; H10W44/00; H10W44/601; H10W76/00; H10W76/40; H10W74/00; H10W90/00; H10W90/701; H10W90/751; H10W90/753; H10W90/754; Y; Y10; Y10S; Y10S165/00; Y10S165/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |