Patent US2796531A successfully refreshed from Google Patents.
US2796531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gain stabilizing circuit for electron multiplier phototubes
Assignee: General Electric Co
•
Filing: 1954-05-17
•
Granted: 1957-06-18
•
Expires: 1974-05-17
Abstract
No abstract record available.
Inventors
- 👤 Edmund E Goodale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:44
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/52; H03F1/54; H01; H01J; H01J43/00; H01J43/04; H01J43/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2407564A
Cited
US2615079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |