US3532941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure-assembled semiconductor device having a plurality of semiconductor wafers
Assignee: Infineon Technologies Americas Corp
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Filing: 1967-05-23
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Granted: 1970-10-06
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Expires: 1987-05-23
Abstract
No abstract record available.
Inventors
- 👤 John L Boyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:42
CPC Classifications
H; H10; H10W; H10W90/00; H10W40/00; H10W40/10; H10W76/00; H10W76/10; H10W76/12; H10W76/13; H10W76/138
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR72811E
Cited
US3238425A
Cited
FR1466106A
Cited
GB1078779A
Cited
US3356914A
Cited
GB1010131A
Cited
US3310716A
Cited
US3183407A
Cited
US3447042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |