US3465213A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-compensating structure for limiting base drive current in transistors
Assignee: FRANCES B HUGLE
•
Filing: 1966-06-20
•
Granted: 1969-09-02
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Expires: 1986-06-20
Abstract
No abstract record available.
Inventors
- 👤 Frances B Hugle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:14
CPC Classifications
H; H10; H10D; H10D1/00; H10D1/40; H10D1/43; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10D84/615
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3220896A
Cited
US3260902A
Cited
US3275910A
Cited
US3404321A
Cited
US3305913A
Cited
US3387193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |