Patent US2686734A successfully refreshed from Google Patents.
US2686734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating water sensitive phosphor screens
Assignee: RCA Corp
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Filing: 1952-01-23
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Granted: 1954-08-17
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Expires: 1972-01-23
Abstract
No abstract record available.
Inventors
- 👤 Sadowsky Meier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:11
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/28; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD OF SPREADING A FILM OF LACQUER ON A PHOSPHOR SCREEN AND THEN COATING THE SCREEN, COMPRISING THE STEPS OF DEPOSITION A LIQUID POOL OF HIGH BOILING POINT ALCOHOL OVER SAID PHOSPHOR SCREEN, SAID HIGH BOILING POINT ALCOHOL BEING IMMISCIBLE AND NON-REACTIVE WITH SAID FILM OF LACQUER TO BE SPREAD ON SAID SCREEN, SPREADING SAID FILM OF LACQUER OVER SAID POOL, ALLOWING SAID FILM TO HARDEN, REPLACING AT LEAST A PART OF SAID HIGH BOILING POINT ALCOHOL WITH LOW BOILING POINT ALCOHOL IMMISCIBLE WITH SAID LACQUER, REMOVING THE CONTENTS OF SAID POOL AND BRINGING SAID FILM INTO
Claim 2
Independent Claim
98 words
A METHOD OF SPREADING A FILM OF LACQUER ON A PHOSPHOR SCREEN AND THEN COATING THE SCREEN, COMPRISING THE STEPS OF DEPOSITION A LIQUID POOL OF HIGH BOILING POINT ALCOHOL OVER SAID PHOSPHOR SCREEN, SAID HIGH BOILING POINT ALCOHOL BEING IMMISCIBLE AND NON-REACTIVE WITH SAID FILM OF LACQUER TO BE SPREAD ON SAID SCREEN, SPREADING SAID FILM OF LACQUER OVER SAID POOL, ALLOWING SAID FILM TO HARDEN, REPLACING AT LEAST A PART OF SAID HIGH BOILING POINT ALCOHOL WITH LOW BOILING POINT ALCOHOL IMMISCIBLE WITH SAID LACQUER, REMOVING THE CONTENTS OF SAID POOL AND BRINGING SAID FILM INTO
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) | 1957-08-16 | 1958-02-15 | 1958-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-16 | 1962-02-15 | 1962-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-16 | 1966-02-15 | 1966-08-17 | $7700.00 | Window Closed / Lapsed |