US2992349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Field enhanced luminescence system
Assignee: General Electric Co
•
Filing: 1957-10-24
•
Granted: 1961-07-11
•
Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 Dominic A Cusano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:25
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/182
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2675331A
Cited
US2780731A
Cited
US2881353A
Cited
US2915661A
Cited
US2792447A
Cited
US2863084A
Cited
US2859367A
Cited
US2892096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |