Patent US2659679A successfully refreshed from Google Patents.
US2659679A
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Phosphor coating process
Assignee: General Electric Co
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Filing: 1951-11-23
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Granted: 1953-11-17
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Expires: 1971-11-23
Abstract
No abstract record available.
Inventors
- 👤 Lewis R Koller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:02
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; C; C09; C09K; C09K11/00; C09K11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
THE METHOD OF PLACING A DIFFERENT PHOSPHOR COATING ON EACH OF THREE INTERIOR SURFACE OF A MULTICELL SCREEN WHICH METHOD COMPRISES IMMERSING THE MULTICELL WITH THE LONGITUDINAL AXES OF THE CELLS IN HORIZONTAL POSITION IN AN AQUEOUS SUSPENSION OF A FIRST PHOSPHOR AND A BINDER, ALLOWING THE PARTICLES OF FIRST PHOSPHOR IN SUSPENSION TO SETTLE ON THE LOWER PORTIONS OF THE CELL WALLS, MILDLY HEATING TO FIX THE PHOSPHOR IN POSITION, REMOVING THE LIQUID FROM THE CELLS, ROTATING THE MULTICELL ABOUT 120* AROUND THE AXES OF THE CELLS, IMMERSING THE MULTICELL IN AN AQUEOUS SUSPENSION OF A SECOND PHOSPHOR AND A BINDER, ALLOWING THE PARTICLES OF SECOND PHOSPHOR TO SETTLE ON THE LOWER PORTIONS OF THE CELL WALLS, HEATING TO FIX THE PHOSPHOR IN POSITION, REMOVING THE LIQUID FROM THE CELLS, ROTATING THE MULTICELL AN ADDITIONAL 120*, IMMERSING THE MULTICELL IN AN AQUEOUS SUSPENSION CONTAINING A THIRD PHOSPHOR AND A BINDER, ALLOWING THE PARTICLES OF THIRD PHOSPHOR TO SETTLE ON THE LOWER PORTIONS OF THE CELL WALLS, HEATING TO FIX THE PHOSPHOR IN POSITION, AND REMOVING THE LIQUID FROM THE CELLS.
Claim 2
Independent Claim
181 words
THE METHOD OF PLACING A DIFFERENT PHOSPHOR COATING ON EACH OF THREE INTERIOR SURFACE OF A MULTICELL SCREEN WHICH METHOD COMPRISES IMMERSING THE MULTICELL WITH THE LONGITUDINAL AXES OF THE CELLS IN HORIZONTAL POSITION IN AN AQUEOUS SUSPENSION OF A FIRST PHOSPHOR AND A BINDER, ALLOWING THE PARTICLES OF FIRST PHOSPHOR IN SUSPENSION TO SETTLE ON THE LOWER PORTIONS OF THE CELL WALLS, MILDLY HEATING TO FIX THE PHOSPHOR IN POSITION, REMOVING THE LIQUID FROM THE CELLS, ROTATING THE MULTICELL ABOUT 120* AROUND THE AXES OF THE CELLS, IMMERSING THE MULTICELL IN AN AQUEOUS SUSPENSION OF A SECOND PHOSPHOR AND A BINDER, ALLOWING THE PARTICLES OF SECOND PHOSPHOR TO SETTLE ON THE LOWER PORTIONS OF THE CELL WALLS, HEATING TO FIX THE PHOSPHOR IN POSITION, REMOVING THE LIQUID FROM THE CELLS, ROTATING THE MULTICELL AN ADDITIONAL 120*, IMMERSING THE MULTICELL IN AN AQUEOUS SUSPENSION CONTAINING A THIRD PHOSPHOR AND A BINDER, ALLOWING THE PARTICLES OF THIRD PHOSPHOR TO SETTLE ON THE LOWER PORTIONS OF THE CELL WALLS, HEATING TO FIX THE PHOSPHOR IN POSITION, AND REMOVING THE LIQUID FROM THE CELLS.
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) | 1956-11-16 | 1957-05-18 | 1957-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-16 | 1961-05-18 | 1961-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-16 | 1965-05-18 | 1965-11-17 | $7700.00 | Window Closed / Lapsed |