US2710262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a phosphor screen
Assignee: RCA Corp
•
Filing: 1952-06-28
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Granted: 1955-06-07
•
Expires: 1972-06-28
Abstract
No abstract record available.
Inventors
- 👤 Larach Simon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:03
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; H01J9/221; H01J9/224; Y; Y10; Y10S; Y10S62/00; Y10S62/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE METHOD OF FORMING A PHOSPHOR SCREEN ON A SUPPORT MEMBER, SAID METHOD COMPRISING THE STEP OF PROVIDING ABOVE SAID MEMBER A LAYER OF A MIXTURE OF AN ALCOHOL AND AN ETHER, SAID ALCOHOL HAVING A DENSITY NEAR THAT OF METHANOL, DISTRIBUTING A SUSPENSION OF FINELY DIVIDED ANTIMONY ACTIVATED MAGNESIUM SULFIDE PHOSPHOR PARTICLES OVER SAID LAYER, SETTLING THE PHOSPHOR PARTICLES THROUGH SAID LAYER, AND REMOVING SAID LAYER FROM ABOVE SAID MEMBER.
Claim 2
Independent Claim
71 words
THE METHOD OF FORMING A PHOSPHOR SCREEN ON A SUPPORT MEMBER, SAID METHOD COMPRISING THE STEP OF PROVIDING ABOVE SAID MEMBER A LAYER OF A MIXTURE OF AN ALCOHOL AND AN ETHER, SAID ALCOHOL HAVING A DENSITY NEAR THAT OF METHANOL, DISTRIBUTING A SUSPENSION OF FINELY DIVIDED ANTIMONY ACTIVATED MAGNESIUM SULFIDE PHOSPHOR PARTICLES OVER SAID LAYER, SETTLING THE PHOSPHOR PARTICLES THROUGH SAID LAYER, AND REMOVING SAID LAYER FROM ABOVE SAID MEMBER.
References Cited (Backward Citations)
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |