Patent US2883292A successfully refreshed from Google Patents.
US2883292A
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Glass compositions
Assignee: Servo Corp of America
•
Filing: 1957-05-23
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Granted: 1959-04-21
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Expires: 1977-05-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Joseph Jerger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:09
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/32; C03C3/321; Y; Y10; Y10S; Y10S501/00; Y10S501/90; Y10S501/904; Y10S65/00; Y10S65/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
AN OPTICAL, INRARED-TRANSMITTING GLASS COMPOSITION COMPRISING ESSENTIALLY A FUSED, VITREOUS, NON-CRYSTALLINE TERNARY MIXTURE OF ARSENIC, SULFUR AND TELLURIUM IS PERCENTAGES BY WEIGHT DETERMINED BY THE AEA ENCLOSED SUBSTANTIALLY WITHIN SOLID LINE L OF THE ACCOMPANYING TRIAXIAL DIAGRAM.
Claim 2
Dependent Claim
37 words
AN OPTICAL, INRARED-TRANSMITTING GLASS COMPOSITION COMPRISING ESSENTIALLY A FUSED, VITREOUS, NON-CRYSTALLINE TERNARY MIXTURE OF ARSENIC, SULFUR AND TELLURIUM IS PERCENTAGES BY WEIGHT DETERMINED BY THE AEA ENCLOSED SUBSTANTIALLY WITHIN SOLID LINE L OF THE ACCOMPANYING TRIAXIAL DIAGRAM.
References Cited (Backward Citations)
US1917725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |