US3391310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor switch
Assignee: General Electric Co
•
Filing: 1964-01-13
•
Granted: 1968-07-02
•
Expires: 1984-01-13
Abstract
No abstract record available.
Inventors
- 👤 Finis E Gentry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:09
CPC Classifications
H; H10; H10D; H10D18/00; H10D18/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2971139A
Cited
US3079512A
Cited
FR1267417A
Cited
GB945249A
Cited
US3176147A
Cited
US3196330A
Cited
US3090873A
Cited
US3206612A
Cited
US3123750A
Cited
US3188490A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |