US3317801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tunneling enhanced transistor
Assignee: Individual
•
Filing: 1963-06-19
•
Granted: 1967-05-02
•
Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Freeman D Shepherd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:39
CPC Classifications
H; H10; H10D; H10D62/00; H10D62/10; H10D62/13; H10D62/165; H10D99/00; H10P; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/933
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3100166A
Cited
US3079512A
Cited
US3176147A
Cited
US3114864A
Cited
FR1303035A
Cited
US3171042A
Cited
US3121808A
Cited
US3171762A
Cited
US3236698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |