Patent DE1011539B successfully refreshed from Google Patents.
Patent US3460006A successfully refreshed from Google Patents.
US3460006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor integrated circuits with improved isolation
Assignee: Westinghouse Electric Corp
•
Filing: 1966-02-28
•
Granted: 1969-08-05
•
Expires: 1986-02-28
Abstract
No abstract record available.
Inventors
- 👤 Gene Strull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:12
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10W; H10W10/00; H10W10/01; H10W10/031; H10W10/30; Y; Y10; Y10S; Y10S148/00; Y10S148/018; Y10S148/037; Y10S148/049
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3260902A
Cited
US3333166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |