US3071708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent screen
Assignee: RCA Corp
•
Filing: 1960-12-28
•
Granted: 1963-01-01
•
Expires: 1980-12-28
Abstract
No abstract record available.
Inventors
- 👤 Stanavage Joseph Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:27
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/14; H05B33/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
AN ELECTROLUMINESCENT SCREEN CONSISTING ESSENTIALLY OF A MIXTURE OF 30 TO 70 WEIGHT PERCENT OF A BLUE-EMITTING PHOSPHOR HAVING THE COMPOSITION
Claim 2
Dependent Claim
21 words
AN ELECTROLUMINESCENT SCREEN CONSISTING ESSENTIALLY OF A MIXTURE OF 30 TO 70 WEIGHT PERCENT OF A BLUE-EMITTING PHOSPHOR HAVING THE COMPOSITION
References Cited (Backward Citations)
US2925532A
Cited
US2965784A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |