US3525146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making semiconductor devices having crystal extensions for leads
Assignee: Sanyo Electric Co Ltd
•
Filing: 1966-12-07
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Granted: 1970-08-25
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Expires: 1986-12-07
Abstract
No abstract record available.
Inventors
- 👤 Toshiaki Hayashida
- 👤 Shoji Sugaya
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:56
CPC Classifications
H; H10; H10P; H10P95/00; H10W; H10W20/00; H10W20/40; Y; Y10; Y10S; Y10S148/00; Y10S148/018; Y10S148/02; Y10S148/026; Y10S148/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB759012A
Cited
US3151004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |