US2676894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating with fluorescent material
Assignee: General Electric Co
•
Filing: 1949-02-04
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Granted: 1954-04-27
•
Expires: 1969-02-04
Abstract
No abstract record available.
Inventors
- 👤 Anderson James Thomas
- 👤 Ward Harold Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:18
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE PROCESS OF COATING A VITREOUS SURFACE WITH POWDERED LUMINESCENT MATERIAL WHICH INCLUDES THE STEPS OF FLOWING OVER SAID SURFACE A SUSPENSION OF SAID LUMINESCENT MATERIAL IN A WATER SOLUTION OF A WATER-SOLUBLE SALT OF ALGINIC ACID CAPABLE OF GIVING AT LEAST A MODERATELY VISCOUS SOLUTION, DRAINING THE SOLUTION FROM SAID SURFACE AND DRYING THE RESULTANT COATING, AND THEREAFTER HEATING THE COATING SO FORMED TO A TEMPERATURE AT WHICH SAID WATER-SOLUBLE SALT OF ALGINIC ACID IS DISPERSED.
Claim 2
Dependent Claim
77 words
THE PROCESS OF COATING A VITREOUS SURFACE WITH POWDERED LUMINESCENT MATERIAL WHICH INCLUDES THE STEPS OF FLOWING OVER SAID SURFACE A SUSPENSION OF SAID LUMINESCENT MATERIAL IN A WATER SOLUTION OF A WATER-SOLUBLE SALT OF ALGINIC ACID CAPABLE OF GIVING AT LEAST A MODERATELY VISCOUS SOLUTION, DRAINING THE SOLUTION FROM SAID SURFACE AND DRYING THE RESULTANT COATING, AND THEREAFTER HEATING THE COATING SO FORMED TO A TEMPERATURE AT WHICH SAID WATER-SOLUBLE SALT OF ALGINIC ACID IS DISPERSED.
References Cited (Backward Citations)
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Cited
US2039734A
Cited
GB421932A
Cited
US2344081A
Cited
US2317977A
Cited
US2421979A
Cited
US2621134A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-26 | 1957-10-26 | 1958-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-26 | 1961-10-26 | 1962-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-26 | 1965-10-26 | 1966-04-27 | $7700.00 | Window Closed / Lapsed |