US2769110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam control means
Assignee: RCA Corp
•
Filing: 1954-01-21
•
Granted: 1956-10-30
•
Expires: 1974-01-21
Abstract
No abstract record available.
Inventors
- 👤 Maximilian J Obert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:32
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201; H01J31/203; H01J31/205; H01J29/00; H01J29/46; H01J29/70; H01J29/701; H01J29/702; H01J29/703
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2188579A
Cited
US2200039A
Cited
US2455676A
Cited
US2500455A
Cited
US2513221A
Cited
US2542924A
Cited
US2642546A
Cited
US2574039A
Cited
US2586948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |