Method of cutting gemstones and product
Patent 5072549 Issued on December 17, 1991. Estimated Expiration Date: 
September 5, 2009. 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.
September 5, 2009. 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.InventorApplicationNo. 402657 filed on 09/05/1989US Classes:451/41, Glass or stone abrading63/32, GEM451/389Drop or dop stickExaminersPrimary: Schmidt, Frederick R.Assistant: Shideler, Blynn Attorney, Agent or FirmInternational ClassesA44C 017/00B23B 009/16 AbstractA method of cutting facets on a gemstone to form a pentagonal shaped gem product such that the cut facets produce a five-legged star to appear beneath the gem table. The gem product produced by this method comprises a pavilion having thirty facets and fifty edges, a crown having twenty-one facets and thirty-five facets, and a five sided girdle.Field of SearchGEM | |
