US2967262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-color display tube
Assignee: Individual
•
Filing: 1956-07-30
•
Granted: 1961-01-03
•
Expires: 1976-07-30
Abstract
No abstract record available.
Inventors
- 👤 Madey Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:59
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; H01J2231/00; H01J2231/12; H01J2231/125; H01J2231/1255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2403227A
Cited
US2402761A
Cited
GB562168A
Cited
GB582892A
Cited
US2461515A
Cited
US2449558A
Cited
US2580073A
Cited
US2590018A
Cited
US2728025A
Cited
US2730653A
Cited
US2774003A
Cited
US2795731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-03 | 1964-07-04 | 1965-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-03 | 1968-07-04 | 1969-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-03 | 1972-07-04 | 1973-01-03 | $7700.00 | Window Closed / Lapsed |