US2644770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying films on cathode-ray screens
Assignee: RCA Corp
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Filing: 1948-03-03
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Granted: 1953-07-07
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Expires: 1968-03-03
Abstract
No abstract record available.
Inventors
- 👤 Sadowsky Meier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:54
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF APPLYING TO A ROUGH MAT SURFACE OF A FLUORESCENT SCREEN A METALLIC REFLECTING FILM, THE METHOD COMPRISING THE STEPS OF WETTING THE MAT SCREEN SURFACE WITH SUFFICIENT LIQUID TO FILL THE INTERSTICES FO THE FLUORESCENT SCREE, REMOVING ANY EXCESS OF THE LIQUID NOT ADHERING TO THE MAT SCREEN SURFACE, APPLYING BY A SPRAY TO THE WET SCREEN SURFACE A SUFFICIENT AMOUNT OF A SOLUTION FORMED FROM AN ORGANIC SOLUTE INSOLUBLE IN SAID LIQUID AND A SOLVENT SOLUBLE IN SAID LIQUID TO FORM A CONTINUOUS FILM OF THE ORGANIC SOLUTE, RAPIDLY ROTATING THE FLUORESCENT SCREEN ABOUT AN
Claim 2
Independent Claim
99 words
THE METHOD OF APPLYING TO A ROUGH MAT SURFACE OF A FLUORESCENT SCREEN A METALLIC REFLECTING FILM, THE METHOD COMPRISING THE STEPS OF WETTING THE MAT SCREEN SURFACE WITH SUFFICIENT LIQUID TO FILL THE INTERSTICES FO THE FLUORESCENT SCREE, REMOVING ANY EXCESS OF THE LIQUID NOT ADHERING TO THE MAT SCREEN SURFACE, APPLYING BY A SPRAY TO THE WET SCREEN SURFACE A SUFFICIENT AMOUNT OF A SOLUTION FORMED FROM AN ORGANIC SOLUTE INSOLUBLE IN SAID LIQUID AND A SOLVENT SOLUBLE IN SAID LIQUID TO FORM A CONTINUOUS FILM OF THE ORGANIC SOLUTE, RAPIDLY ROTATING THE FLUORESCENT SCREEN ABOUT AN
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) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |