US3260634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of etching a semiconductor wafer to provide tapered dice
Assignee: Motorola Solutions Inc
•
Filing: 1964-12-22
•
Granted: 1966-07-12
•
Expires: 1984-12-22
Abstract
No abstract record available.
Inventors
- 👤 Clark Oscar Melville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:40
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D62/102; H10D62/103; H10D62/104; C; C23; C23F; C23F1/00; C23F1/02; H10P; H10P50/00; H10P50/69; H10P50/691; H10P95/00; Y; Y10; Y10S; Y10S148/00; Y10S148/054; Y10S438/00; Y10S438/978
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |