US2701320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron gun structure and method for making the same
Assignee: RCA Corp
•
Filing: 1950-05-26
•
Granted: 1955-02-01
•
Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 Kovach Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:12
CPC Classifications
H; H01; H01J; H01J3/00; H01J3/02; H01J3/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1877431A
Cited
US2111231A
Cited
US2230825A
Cited
US2183309A
Cited
US2194547A
Cited
US2174853A
Cited
US2429824A
Cited
US2472766A
Cited
US2559526A
Cited
US2523099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |