Patent US3375401A successfully refreshed from Google Patents.
US3375401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Source of negatively charged particles having positively charged particle retaining means
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
•
Filing: 1965-09-30
•
Granted: 1968-03-26
•
Expires: 1985-09-30
Abstract
No abstract record available.
Inventors
- 👤 Consoli Terenzio
- 👤 Geller Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:27
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/02; H01J37/04; H01J37/06; H01J37/077; A; A23; A23B; A23B2/00; A23B2/40; A23B2/42; H01J27/00; H01J27/02; H01J27/022; H01J3/00; H01J3/02; H01J3/025; H01J2893/00; H01J2893/0062
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) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |