US3535266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass laser compositions
Assignee: Schott Optical Glass Inc
•
Filing: 1966-04-25
•
Granted: 1970-10-20
•
Expires: 1986-04-25
Abstract
No abstract record available.
Inventors
- 👤 Haynes A Lee Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:59
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/16; C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/095; C03C4/00; C03C4/0071; H01S3/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3270290A
Cited
US3384597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |