US2851408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of electrophoretic deposition of luminescent materials and product resulting therefrom
Assignee: Westinghouse Electric Corp
•
Filing: 1954-10-01
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Granted: 1958-09-09
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Expires: 1974-10-01
Abstract
No abstract record available.
Inventors
- 👤 Nicholas F Cerulli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:27
CPC Classifications
C; C25; C25D; C25D13/00; C25D13/02; H; H05; H05B; H05B33/00; H05B33/10; Y; Y10; Y10S; Y10S428/00; Y10S428/917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF FORMING A THIN EVEN LAYER OF ELECTRICFIELD-RESPONSIVE LUIMINESCENT PARTICLES ON AN ELECTRICALLY CONDUCTING SURFACE COMPRISING, FORMING AN ALCOHOL-WATERELECTROLYTE SUSPENDING MEDIUM CONSISTING OF 1-10 PARTS BY VOLUME OF WATER. 99-90 PARTS BY VOLUME OF AN ALCOHOL WHICH IS MISCIBLE WITH WATER IN THE AFORESTABLE ALCOHOLWATER RANGES, AND 1X10**-5 TO 1X10**-2 MOLES PER LITER OF SAID ALCOHOL OF AN ELECTROLYTE WHICH IS ALCOHOL AND WATER SOLUBLE IN THE AFORESTATED WATER-SLCOHOL RANGES AND WHICH CONTAINS A POLYVALENT CATION, FORMING A SUSPENSION OF A FINELY-DIVIDED LUMINESCENT MATERIAL RANGING IN PARTICLES SIZE DISTRIBUTION FROM ABOUT 1 MICRON TO 40 MICRONS IN
Claim 2
Independent Claim
99 words
THE METHOD OF FORMING A THIN EVEN LAYER OF ELECTRICFIELD-RESPONSIVE LUIMINESCENT PARTICLES ON AN ELECTRICALLY CONDUCTING SURFACE COMPRISING, FORMING AN ALCOHOL-WATERELECTROLYTE SUSPENDING MEDIUM CONSISTING OF 1-10 PARTS BY VOLUME OF WATER. 99-90 PARTS BY VOLUME OF AN ALCOHOL WHICH IS MISCIBLE WITH WATER IN THE AFORESTABLE ALCOHOLWATER RANGES, AND 1X10**-5 TO 1X10**-2 MOLES PER LITER OF SAID ALCOHOL OF AN ELECTROLYTE WHICH IS ALCOHOL AND WATER SOLUBLE IN THE AFORESTATED WATER-SLCOHOL RANGES AND WHICH CONTAINS A POLYVALENT CATION, FORMING A SUSPENSION OF A FINELY-DIVIDED LUMINESCENT MATERIAL RANGING IN PARTICLES SIZE DISTRIBUTION FROM ABOUT 1 MICRON TO 40 MICRONS IN
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |