Patent US3050698A successfully refreshed from Google Patents.
US3050698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor hall effect devices
Assignee: AT&T Inc
•
Filing: 1960-02-12
•
Granted: 1962-08-21
•
Expires: 1980-02-12
Abstract
No abstract record available.
Inventors
- 👤 Robert L Brass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:19
CPC Classifications
H; H10; H10D; H10D48/00; H10D48/40
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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |