US3010909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Red luminescent materials for color television picture tubes
Assignee: US Philips Corp
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Filing: 1958-12-10
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Granted: 1961-11-28
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Expires: 1978-12-10
Abstract
No abstract record available.
Inventors
- 👤 Klasens Hendrik Anne
- 👤 Willem Van Gool
- 👤 Bril Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:25
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/0805; C09K11/0811; H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/187; H01J29/30; H01J29/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A RED LUMINESCENT MATERIAL PARTICULARLY ADAPTED FOR USE IN THE PICTURE TUBES OF COLOR TELEVISION RECEIVERS AND CONSISTING ESSENTIALLY OF A ZINC CADMIUM SULFIDE LUMINESCENT MATERIAL ACTIVATED WITH A MIXTURE OF SILVER AND AT LEAST ONE TRIVALENT ELEMENT SELECTED FROM THE GROUP CONSISTING OF GALLIUM, SCANDIUM, ALUMINUM, INDIUM, CERIUM AND YTTRIUM IN WHICH THE QUOTIENT OF THE NUMBER OF ZINC ATOMS DIVIDED BY THE SUM OF THE NUMBER OF ATOMS OF ZINC ATOMS CADMIUM IS BETWEEN ABOUT 0.05 AND 0.35, THE QUOTIENT OF THE NUMBER OF SILVER ATOMS DIVIDED BY THE SUM OF THE NUMBER OF ATOMS OF ZINC AND CADMIUM IS BETWEEN ABOUT 10-3 AND 10-6 THE QUOTIENT OF THE SUM OF THE NUMBER OF THE ATOMS OF THE TRIVALENT ELEMENTS DIVIDED BY THE SUM OF THE NUMBER OF ATOMS OF ZINC AND CADMIUM IS BETWEEN ABOUT 10-3 AND 10-6 AND THE SUM OF THE NUMBER OF THE ATOMS OF THE TRIVALENT ELEMENTS EXCEEDS THE NUMBER OF THE SILVER ATOMS.
Claim 2
Dependent Claim
161 words
A RED LUMINESCENT MATERIAL PARTICULARLY ADAPTED FOR USE IN THE PICTURE TUBES OF COLOR TELEVISION RECEIVERS AND CONSISTING ESSENTIALLY OF A ZINC CADMIUM SULFIDE LUMINESCENT MATERIAL ACTIVATED WITH A MIXTURE OF SILVER AND AT LEAST ONE TRIVALENT ELEMENT SELECTED FROM THE GROUP CONSISTING OF GALLIUM, SCANDIUM, ALUMINUM, INDIUM, CERIUM AND YTTRIUM IN WHICH THE QUOTIENT OF THE NUMBER OF ZINC ATOMS DIVIDED BY THE SUM OF THE NUMBER OF ATOMS OF ZINC ATOMS CADMIUM IS BETWEEN ABOUT 0.05 AND 0.35, THE QUOTIENT OF THE NUMBER OF SILVER ATOMS DIVIDED BY THE SUM OF THE NUMBER OF ATOMS OF ZINC AND CADMIUM IS BETWEEN ABOUT 10-3 AND 10-6 THE QUOTIENT OF THE SUM OF THE NUMBER OF THE ATOMS OF THE TRIVALENT ELEMENTS DIVIDED BY THE SUM OF THE NUMBER OF ATOMS OF ZINC AND CADMIUM IS BETWEEN ABOUT 10-3 AND 10-6 AND THE SUM OF THE NUMBER OF THE ATOMS OF THE TRIVALENT ELEMENTS EXCEEDS THE NUMBER OF THE SILVER ATOMS.
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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |