US2945992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-conductor device
Assignee: Eberle & Kohler
•
Filing: 1959-03-16
•
Granted: 1960-07-19
•
Expires: 1979-03-16
Abstract
No abstract record available.
Inventors
- 👤 Bollert Gerhard Fritz
- 👤 Ramser Walter Otto
- 👤 Wieland Dietrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:02
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/70; H10W72/00; H10W72/50; H10W72/551; H10W72/552; H10W72/5524; H10W90/00; H10W90/701; H10W90/751; H10W90/753; H10W90/754
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2861226A
Cited
US2892135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |