US3254031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Borate glass for laser use
Assignee: Eastman Kodak Co
•
Filing: 1962-06-27
•
Granted: 1966-05-31
•
Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 Paolis Paul F De
- 👤 Paul B Mauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:38
CPC Classifications
C; C03; C03C; C03C4/00; C03C4/0071; C03C3/00; C03C3/04; C03C3/062; C03C3/064; C03C3/068; C03C3/12; C03C3/14; C03C3/15; H; H01; H01S; H01S3/00; H01S3/14; H01S3/16; H01S3/17
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
AN ARTICLE FOR USE IN A LASER COMPRISING A LASER ROD WHOSE LENGTH IS GREATER THAN ITS DIAMETER, WHICH HAS POLISHED ENDS AND WHICH IS A GLASS FORMED BY FUSION OF A BATCH CONSISTING ESSENTIALLY OF AT LEAST SUBSTANTIAL AMOUNTS OF EACH LA2O3, BAO, THO2, B2O3 AND ND2O3, THE LAO2 AND BAO TOTALING 30% TO 50% BY WEIGHT, THE THO2 BEING BETWEN 10% AND 30% BY WEIGHT, THE B2O3 BEING BETWEEN 30% AND 40% BY WEIGHT AND THE ND2O3 BETWEEN 0.1% AND 10% BY WEIGHT.
Claim 2
Dependent Claim
85 words
AN ARTICLE FOR USE IN A LASER COMPRISING A LASER ROD WHOSE LENGTH IS GREATER THAN ITS DIAMETER, WHICH HAS POLISHED ENDS AND WHICH IS A GLASS FORMED BY FUSION OF A BATCH CONSISTING ESSENTIALLY OF AT LEAST SUBSTANTIAL AMOUNTS OF EACH LA2O3, BAO, THO2, B2O3 AND ND2O3, THE LAO2 AND BAO TOTALING 30% TO 50% BY WEIGHT, THE THO2 BEING BETWEN 10% AND 30% BY WEIGHT, THE B2O3 BEING BETWEEN 30% AND 40% BY WEIGHT AND THE ND2O3 BETWEEN 0.1% AND 10% 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) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |