US2765422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television camera tube
Assignee: TDK Micronas GmbH
•
Filing: 1951-11-19
•
Granted: 1956-10-02
•
Expires: 1971-11-19
Abstract
No abstract record available.
Inventors
- 👤 Henderson J Alvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:33
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/42
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2137010A
Cited
US2286280A
Cited
US2287033A
Cited
US2275898A
Cited
US2368884A
Cited
US2532339A
Cited
US2451005A
Cited
US2622226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |