US3077456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphorescent glasses and method of making same
Assignee: OI Glass Inc
•
Filing: 1959-08-10
•
Granted: 1963-02-12
•
Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Carroll J Billian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:38
CPC Classifications
C; C03; C03C; C03C4/00; C03C4/12; C03C3/00; C03C3/04; C03C3/062; C03C3/07; C03C3/072; C03C3/074; C03C3/0745
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
74 words
A METHOD OF PREPARING PHOSPHORESCENT SOLDER GLASSES COMPRISING FIRING AT A TEMPERATURE OF ABOUT 380400* C. AND FOR A PERIOD OF ABOUT 4-20 MINUTES, A POWDERED GLASS MIXTURE OF THE FOLLOWING RANGE IN COMPOSITION; 75 TO 80% PBO; 7 TO 14% ZNO; 7 TO 10% B2O3; AND 1.5 TO 3% S$02 TO WHICH HAS BEEN ADDED FROM 1 TO 10% OF A PHOSPHOR SELECTED FROM THE CLASS CONSISTING OF ZINC SULFIDE AND CADMIUM SULFIDE.
Claim 2
Independent Claim
74 words
A METHOD OF PREPARING PHOSPHORESCENT SOLDER GLASSES COMPRISING FIRING AT A TEMPERATURE OF ABOUT 380400* C. AND FOR A PERIOD OF ABOUT 4-20 MINUTES, A POWDERED GLASS MIXTURE OF THE FOLLOWING RANGE IN COMPOSITION; 75 TO 80% PBO; 7 TO 14% ZNO; 7 TO 10% B2O3; AND 1.5 TO 3% S$02 TO WHICH HAS BEEN ADDED FROM 1 TO 10% OF A PHOSPHOR SELECTED FROM THE CLASS CONSISTING OF ZINC SULFIDE AND CADMIUM SULFIDE.
Claim 3
Independent Claim
97 words
A METHOD OF PREPARING PHOSPHORESCENT SOLDER GLASSES COMPRISING FIRING AT A TEMPERATURE OF ABOUT 380400* C. AND FOR A PERIOD OF ABOUT 4 TO 20 MINUTES, A POWDERED GLASS MIXTURE OF THE FOLLOWING COMPOSITION: 75 TO 80% PBO; 7 TO 10% B2O3; 7 TO 14% ZNO; AND 1.5 TO 3% SIO2 AND WHICH HAS ADDED TO SAID MIXTURE (A) FROM 1 TO 10% OF A PHOSPHOR SELECTED FROM THE CLASS CONSISTING OF ZINC SULFIDE AND CADMIUM SULFIDE AND (B) FROM 5 TO 10% OF A CONDUCTING MATERIAL SELECTED FROM THE CLASS CONSISTING OF SILVER, GOLD AND PLATINUM.
Claim 4
Independent Claim
97 words
A METHOD OF PREPARING PHOSPHORESCENT SOLDER GLASSES COMPRISING FIRING AT A TEMPERATURE OF ABOUT 380400* C. AND FOR A PERIOD OF ABOUT 4 TO 20 MINUTES, A POWDERED GLASS MIXTURE OF THE FOLLOWING COMPOSITION: 75 TO 80% PBO; 7 TO 10% B2O3; 7 TO 14% ZNO; AND 1.5 TO 3% SIO2 AND WHICH HAS ADDED TO SAID MIXTURE (A) FROM 1 TO 10% OF A PHOSPHOR SELECTED FROM THE CLASS CONSISTING OF ZINC SULFIDE AND CADMIUM SULFIDE AND (B) FROM 5 TO 10% OF A CONDUCTING MATERIAL SELECTED FROM THE CLASS CONSISTING OF SILVER, GOLD AND PLATINUM.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |