US2275864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube
Assignee: General Electric Co
•
Filing: 1940-11-27
•
Granted: 1942-03-10
•
Expires: 1960-11-27
Abstract
No abstract record available.
Inventors
- 👤 Le Roy E Record
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:20
CPC Classifications
H; H01; H01J; H01J7/00; H01J7/14; H01J7/18; H01J7/186; H01J29/00; H01J29/94; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-03-09 | 1945-09-08 | 1946-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-09 | 1949-09-08 | 1950-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-09 | 1953-09-08 | 1954-03-10 | $7700.00 | Window Closed / Lapsed |