Patent US3517243A successfully refreshed from Google Patents.
US3517243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color display screen employing two layers of phosphors,particles in the inner layer being small with respect to those in the outer layer and discontinuous in coverage
Assignee: Texas Instruments Inc
•
Filing: 1969-03-17
•
Granted: 1970-06-23
•
Expires: 1989-03-17
Abstract
No abstract record available.
Inventors
- 👤 Morton E Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:05
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; H01J29/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US337229A
Cited
US2155465A
Cited
GB615812A
Cited
US2590018A
Cited
US2785331A
Cited
US2806969A
Cited
US3290434A
Cited
US3243625A
Cited
US3371153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |