US3448353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mos field effect transistor hall effect devices
Assignee: Westinghouse Electric Corp
•
Filing: 1966-11-14
•
Granted: 1969-06-03
•
Expires: 1986-11-14
Abstract
No abstract record available.
Inventors
- 👤 Robert C Gallagher
- 👤 William S Corak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:20
CPC Classifications
H; H10; H10N; H10N52/00; H10N52/101; H10D; 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) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |