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US3417575A
Expired / Lapsed
US
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Method of and means for cooling semiconductor devices
Assignee: Schneider Electric Buildings Americas Inc
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Filing: 1967-04-10
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Granted: 1968-12-24
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Expires: 1987-04-10
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:37
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/70; H10W40/73; Y; Y10; Y10S; Y10S505/00; Y10S505/825; Y10S505/888; Y10S505/899
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2932953A
Cited
US2947150A
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US2958021A
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US3035419A
Cited
US3112890A
Cited
US3143592A
Cited
US3194024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |