Patent US3457183A successfully refreshed from Google Patents.
US3457183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser glasses having a relatively low thermal expansion
Assignee: Schott Optical Glass Inc
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Filing: 1966-04-28
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Granted: 1969-07-22
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Expires: 1986-04-28
Abstract
No abstract record available.
Inventors
- 👤 Haynes A Lee Jr
- 👤 Charles F Rapp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:29
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/095; C03C3/078; C03C3/083; C03C3/085; C03C3/087; C03C4/00; C03C4/0071; H; H01; H01S; H01S3/00; H01S3/14; H01S3/16; H01S3/17; H01S3/05; H01S3/08; H01S3/08072
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A RELATIVELY LOW EXPANSION GLASS LASER CONSISITING ESSENTIALLY OF THE FOLLOWING COMPOSITION IN PARTS BY WEIGHT:
Claim 2
Dependent Claim
16 words
A RELATIVELY LOW EXPANSION GLASS LASER CONSISITING ESSENTIALLY OF THE FOLLOWING COMPOSITION IN PARTS BY WEIGHT:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |