US2795731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube
Assignee: Kaiser Aircraft & Electronics
•
Filing: 1953-12-04
•
Granted: 1957-06-11
•
Expires: 1973-12-04
Abstract
No abstract record available.
Inventors
- 👤 Aiken William Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:18
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H01; H01J; H01J21/00; H01J21/02; H01J21/06; H01J21/10; H01J21/12; H01J29/00; H01J29/46; H01J29/70; H01J29/72; H01J29/74; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/123; H01J31/124; H01J31/128; H01J2893/00; H01J2893/0032
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-10 | 1960-12-10 | 1961-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-10 | 1964-12-10 | 1965-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-10 | 1968-12-10 | 1969-06-11 | $7700.00 | Window Closed / Lapsed |