Patent US2862999A successfully refreshed from Google Patents.
US2862999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam controlling system
Assignee: Murphy Radio Ltd
•
Filing: 1955-12-19
•
Granted: 1958-12-02
•
Expires: 1975-12-19
Abstract
No abstract record available.
Inventors
- 👤 Fairhurst Harold Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:48
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J2231/00; H01J2231/12; H01J2231/121
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |