US3411200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fabrication of semiconductor integrated circuits
Assignee: Westinghouse Electric Corp
•
Filing: 1965-04-14
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Granted: 1968-11-19
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Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 Napoleon P Formigoni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:39
CPC Classifications
H; H10; H10D; H10D84/00; H10D84/60; H10D84/611; H10D84/613; H10P; H10P50/00; H10P50/60; H10P50/64; H10P50/642; H10P95/00; H10W; H10W10/00; H10W10/01; H10W10/011; H10W10/019; H10W10/10; Y; Y10; Y10S; Y10S148/00; Y10S148/085; Y10S438/00; Y10S438/928
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3300832A
Cited
US3290753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |