US3677960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass laser materials
Assignee: AGC Inc
•
Filing: 1970-06-29
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Granted: 1972-07-18
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Expires: 1990-06-29
Abstract
Abstract A SILICATE GLASS FOR USE AS A GLASS LASER MATERIAL DOPED WITH TRIVALENT NEODYMIUM CONTAINS SB2O3 AS WELL AS TIO2, MOO3, NB2O5, WO3, BI2O3 AND/OR TA2O5. THE COMBINATION OF THESE COMPONENTS PREVENTS DETERIORATION IN LASER PERFORMANCE DUE TO SOLARIZATION.
Inventors
- 👤 Masahiko Ishiyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:09
CPC Classifications
C; C03; C03C; C03C4/00; C03C4/0071; C03C3/00; C03C3/04; C03C3/076; C03C3/095; C03C3/097
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |