US3486085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multilayer integrated circuit structure
Assignee: Intelligent Instruments Inc
•
Filing: 1966-03-30
•
Granted: 1969-12-23
•
Expires: 1986-03-30
Abstract
No abstract record available.
Inventors
- 👤 Peter E Slavin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:37
CPC Classifications
H; H10; H10D; H10D18/00; H10D18/251; H10D48/00; H10D48/40; H10D84/00; H10D84/60; H10D84/676; H10D99/00
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) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |