US3382418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor switching element with heat-responsive central current path
Assignee: Danfoss AS
•
Filing: 1965-11-18
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Granted: 1968-05-07
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Expires: 1985-11-18
Abstract
No abstract record available.
Inventors
- 👤 Jensen Arne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:41
CPC Classifications
H; H10; H10N; H10N70/00; H10N70/20; H01; H01C; H01C7/00; H01C7/04; H10D; H10D48/00; H10D48/01; H10D48/04; H10N70/801; H10N70/841; H10N70/861; H10N70/881; H10N70/882; H10N70/8828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2938130A
Cited
US3300710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |