Multi-faceted combined cut gemstones
US6668585B1 · kind B1 · utility
12Cited by
9References
2Claims
0Family size
Inventor
Key dates
| Filing date | Nov 13, 2000 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Nov 13, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA44C17/001
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The multi-faceted combined cut gemstone has the most facets in the history of gemstones. The King David cut with 104 facets makes the most brilliant, sparkling and eye-pleasing gemstone at the time it was developed. The Queen Batt-Sheva cut with 128 facets makes an even more brilliant; sparkling and eye-pleasing gemstones. Both of these gemstones have square tops and round bottoms. This combination makes them most fiery and sparkling cut in the world.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.