US3058009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trigger circuit switching from stable operation in the negative resistance region to unstable operation
Assignee: Individual
•
Filing: 1959-07-15
•
Granted: 1962-10-09
•
Expires: 1979-07-15
Abstract
No abstract record available.
Inventors
- 👤 Shockley William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:00
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/313; H03K17/00; H03K17/51; H03K17/56; H03K17/70
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2581273A
Cited
US2577803A
Cited
US2666977A
Cited
US2740940A
Cited
US2843765A
Cited
US2912599A
Cited
DE1058550B
Cited
US2909659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |