US3006781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphor coating method
Assignee: General Electric Co
•
Filing: 1960-03-07
•
Granted: 1961-10-31
•
Expires: 1980-03-07
Abstract
No abstract record available.
Inventors
- 👤 William C Martyny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:17
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE METHOD OF COATING A GLASS LAMP ENVELOPE WITH A LUMINESCENT MATERIAL WHICH COMPRISES SUSPENDING THE LUMINESCENT MATERIAL IN AN AMMONIACAL AQUEOUS BINDER SOLUTION CONSISTING OF 0.3% TO 0.8% BY WEIGHT OF BINDER SOLIDS TO WEIGHT OF LUMINESCENT MATERIAL AND WHEREIN THE BINDER SOLIDS CONSIST OF THE COPOLYMER OF METHYL VINYL ETHER AND MALEIC ANHYDRIDE AND OF POLYACRYLIC ACID, THE PROPORTION OF POLYACRYLIC ACID TO TOTAL BINDER SOLIDS BEING INCREASED IN ACCORDANCE WITH THE DEGREE OF IRREGULARITY OF THE ENVELOPE, AND ALLOWING THE SUSPENSION TO DRAIN THROUGH THE ENVELOPE.
Claim 2
Independent Claim
89 words
THE METHOD OF COATING A GLASS LAMP ENVELOPE WITH A LUMINESCENT MATERIAL WHICH COMPRISES SUSPENDING THE LUMINESCENT MATERIAL IN AN AMMONIACAL AQUEOUS BINDER SOLUTION CONSISTING OF 0.3% TO 0.8% BY WEIGHT OF BINDER SOLIDS TO WEIGHT OF LUMINESCENT MATERIAL AND WHEREIN THE BINDER SOLIDS CONSIST OF THE COPOLYMER OF METHYL VINYL ETHER AND MALEIC ANHYDRIDE AND OF POLYACRYLIC ACID, THE PROPORTION OF POLYACRYLIC ACID TO TOTAL BINDER SOLIDS BEING INCREASED IN ACCORDANCE WITH THE DEGREE OF IRREGULARITY OF THE ENVELOPE, AND ALLOWING THE SUSPENSION TO DRAIN THROUGH THE ENVELOPE.
References Cited (Backward Citations)
US2297048A
Cited
US2312229A
Cited
US2421979A
Cited
US2625493A
Cited
US2616816A
Cited
US2756163A
Cited
US2955958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |