US3489608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating semiconductor wafers
Assignee: Kulicke and Soffa Industries Inc
•
Filing: 1965-10-26
•
Granted: 1970-01-13
•
Expires: 1985-10-26
Abstract
No abstract record available.
Inventors
- 👤 Bernard Jacobs
- 👤 Frederick W Kulicke Jr
- 👤 Richard D Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:58
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0402; H10P72/0404; B; B05; B05D; B05D1/00; B05D1/02; H10P95/00; Y; Y10; Y10S; Y10S134/00; Y10S134/902
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |