US3492157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resin-sealed semiconductor device and manufacturing method for the same
Assignee: Toshiba Corp
•
Filing: 1967-06-09
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Granted: 1970-01-27
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Expires: 1987-06-09
Abstract
No abstract record available.
Inventors
- 👤 Shintaro Ito
- 👤 Koichi Suzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:22
CPC Classifications
H; H10; H10W; H10W74/00; H10W74/40; H10W74/47; H10W74/473; H10W74/01; H10W74/016; H10W76/00; H10W76/40; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49169; Y10T29/49171; Y10T29/49172
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2940161A
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US2937110A
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US3135625A
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US3156580A
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US3240619A
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US3235937A
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US3298087A
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US3278813A
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US3283224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-26 | 1973-07-28 | 1974-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-26 | 1977-07-28 | 1978-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-26 | 1981-07-28 | 1982-01-27 | $7700.00 | Window Closed / Lapsed |