Patent US2441792A successfully refreshed from Google Patents.
US2441792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stacked electrode assembly for electron discharge devices
Assignee: General Electric Co
•
Filing: 1944-10-04
•
Granted: 1948-05-18
•
Expires: 1964-10-04
Abstract
No abstract record available.
Inventors
- 👤 William S Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:01
CPC Classifications
H; H01; H01J; H01J21/00; H01J21/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1628982A
Cited
US1688991A
Cited
US1677316A
Cited
US1816619A
Cited
US1797990A
Cited
US2099846A
Cited
US1871363A
Cited
US1905692A
Cited
US1931737A
Cited
US2036069A
Cited
US1981669A
Cited
US2034571A
Cited
US2030187A
Cited
US2074864A
Cited
US2284547A
Cited
US2259690A
Cited
US2348814A
Cited
US2308800A
Cited
US2413689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |