Patent US2341649A successfully refreshed from Google Patents.
US3079347A
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Terbium and cerium activated calcium fluoride optical maser material
Assignee: AT&T Inc
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Filing: 1960-10-25
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Granted: 1963-02-26
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Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Charles G B Garrett
- 👤 Wolfgang K Kaiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:12
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/05; H01S3/06; H01S3/0602; C; C09; C09K; C09K11/00; C09K11/08; C09K11/77; C09K11/7704; C09K11/7705; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/14; H01S3/16; H01S3/1688; Y; Y02; Y02B; Y02B20/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COMPOSITION OF MATTER HAVING THE GENERAL FORMULA (CAXTBYCEZ)FN WHERE X IS A QUANTITY WITHIN THE RANGE OF 0.8222-0.9893, Y IS A QUANTITY WITHIN THE RANGE OF 0.0071-0.0711, Z IS A QUANTITY WITHIN THE RANGE OF (0.51.5)Y AND N IS A QUANTITY SUFFICIENT TO COMPLETE THE MOLECULAR FORMULA.
Claim 2
Dependent Claim
48 words
A COMPOSITION OF MATTER HAVING THE GENERAL FORMULA (CAXTBYCEZ)FN WHERE X IS A QUANTITY WITHIN THE RANGE OF 0.8222-0.9893, Y IS A QUANTITY WITHIN THE RANGE OF 0.0071-0.0711, Z IS A QUANTITY WITHIN THE RANGE OF (0.51.5)Y AND N IS A QUANTITY SUFFICIENT TO COMPLETE THE MOLECULAR FORMULA.
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |