Chromium-doped beryllium aluminate lasers
Patent 3997853 Issued on December 14, 1976. Estimated Expiration Date: 
December 14, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
December 14, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References3866142 InventorsAssigneeApplicationNo. 528053 filed on 11/29/1974US Classes:372/41Insulating crystalExaminersPrimary: Sikes, William L.Attorney, Agent or FirmInternational ClassH01S 3/16 (20060101)AbstractSingle crystals of chromium-doped beryllium aluminate find advantageous use in optical applications and, in particular, in lasers capable of operating at room temperature. | |
