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Terbium and cerium activated calcium fluoride optical maser material

Assignee: AT&T Inc
•
Filing: 1960-10-25
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Granted: 1963-02-26
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Expires: 1980-10-25
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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 16:43
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)

US2757144A Cited
US2979467A Cited
US2929922A Cited

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

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