US3372318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor switches
Assignee: General Electric Co
•
Filing: 1965-01-22
•
Granted: 1968-03-05
•
Expires: 1985-01-22
Abstract
No abstract record available.
Inventors
- 👤 Edward G Tefft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:59
CPC Classifications
H; H10; H10D; H10D18/00; H10D18/80
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
SU153976A1
Cited
DE1156510B
Cited
US3280392A
Cited
FR1324170A
Cited
US3263139A
Cited
US3160800A
Cited
US3243669A
Cited
US3274463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |