US3356464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductors and devices employing the same
Assignee: Wyeth Holdings LLC
•
Filing: 1963-08-30
•
Granted: 1967-12-05
•
Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Hulliger Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:29
CPC Classifications
H; H10; H10N; H10N10/00; H10N10/80; H10N10/85; H10N10/851; H10N10/853
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
23 words
AS A NEW COMPOSTION OF MATTER A SEMICONDUCTOR SELECTED FROM THE GROUP CONSISTING OF MASSB AND MPAS WHEREIN M IS IR OR RH.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |