US2867734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decoupled diode gate circuits
Assignee: MARCHANT RES Inc
•
Filing: 1954-02-08
•
Granted: 1959-01-06
•
Expires: 1974-02-08
Abstract
No abstract record available.
Inventors
- 👤 William P Steed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:35
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/51; H03K17/54; H03K3/00; H03K3/02; H03K3/04; H03K3/05; H03K3/06; H03K3/12
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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |