US2733164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-color kinescope screen
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:57
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A VIEWING SCREEN COMPRISING A BASE PLATE HAVING DISPOSED ON A SURFACE THEREOF A MULTIPLICITY OF GROUPS OF DISCRETE PHOSPHOR ELEMENTS, EACH OF SAID GROUPS CONSISTING OF A RED-EMITTING ELEMENT OF WHICH THE PHOSPOR IS A RED-EMITTING ZINC ORTHOPHOSPHATE WITH MANGANESE ACTIVATOR, A BLUE-EMITTING ELEMENT OF WHICH THE PHOS-
Claim 2
Dependent Claim
49 words
A VIEWING SCREEN COMPRISING A BASE PLATE HAVING DISPOSED ON A SURFACE THEREOF A MULTIPLICITY OF GROUPS OF DISCRETE PHOSPHOR ELEMENTS, EACH OF SAID GROUPS CONSISTING OF A RED-EMITTING ELEMENT OF WHICH THE PHOSPOR IS A RED-EMITTING ZINC ORTHOPHOSPHATE WITH MANGANESE ACTIVATOR, A BLUE-EMITTING ELEMENT OF WHICH THE PHOS-
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) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |