US3243723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical maser using single crystal molybdate composition
Assignee: —
•
Filing: —
•
Granted: 1966-03-29
•
Expires: 1983-03-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:02
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN OPTICAL MASTER UTILIZING AS THE ACTIVE MASER MATERIAL A SINGLE CRYSTAL MOLYBDATE COMPOSITION COMPRISING A DIVALENT METAL ION MOLYBDATE SELECTED FROM THE GROUP CONSISTING OF CALCIUM MOLYBDATE, STRONTIUM MOLYBDATE, LEAD MOLYBDATE, AND BARIUM MOLYBDATE IN WHICH FROM ABOUT 0.01% TO 25% OF THE DIVALENT METAL IONS HAVE BEEN REPLACED BY TRIVALENT FLUORESCENT IONS, AND PUMPING MEANS FOR ESTABLISHING A NEGATIVE TEMPERATURE STATE.
Claim 2
Dependent Claim
63 words
AN OPTICAL MASTER UTILIZING AS THE ACTIVE MASER MATERIAL A SINGLE CRYSTAL MOLYBDATE COMPOSITION COMPRISING A DIVALENT METAL ION MOLYBDATE SELECTED FROM THE GROUP CONSISTING OF CALCIUM MOLYBDATE, STRONTIUM MOLYBDATE, LEAD MOLYBDATE, AND BARIUM MOLYBDATE IN WHICH FROM ABOUT 0.01% TO 25% OF THE DIVALENT METAL IONS HAVE BEEN REPLACED BY TRIVALENT FLUORESCENT IONS, AND PUMPING MEANS FOR ESTABLISHING A NEGATIVE TEMPERATURE STATE.
References Cited (Backward Citations)
US2929922A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |