公开(公告)号：US12178296B2

公开(公告)日：2024-12-31

申请号：US18085289

申请日：2022-12-20

Applicant: Albert Gad Ltd.

Inventor： Reuven Paikin

IPC: B28D5/00 ,  A44C17/00 ,  A44C27/00

Abstract: A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper main crown facets, upper intermediate crown facets, lower main crown facets, lower intermediate crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, lower candle facets, lower main pavilion facets, upper candle facets, upper main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

公开(公告)号：US20240164493A1

公开(公告)日：2024-05-23

申请号：US18423120

申请日：2024-01-25

Applicant: Albert Gad Ltd.

Inventor： Reuven Paikin

IPC: A44C17/00

CPC classification number: A44C17/001

Abstract: A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has an elliptical cross-section with a major axis and a minor axis. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, candle facets, main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

公开(公告)号：US20240156219A1

公开(公告)日：2024-05-16

申请号：US18423111

申请日：2024-01-25

Applicant: Albert Gad Ltd.

Inventor： Reuven Paikin

IPC: A44C17/00

CPC classification number: A44C17/001 ,  A44C17/005

Abstract: A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has a pear-shaped cross-section with a rounded end a tapered end narrower than the rounded end. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, candle facets, main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

公开(公告)号：US11918088B2

公开(公告)日：2024-03-05

申请号：US17324670

申请日：2021-05-19

Applicant: ALBERT GAD LTD.

Inventor： Reuven Paikin

IPC: A44C17/00

CPC classification number: A44C17/001

Abstract: A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has an octagon-shaped cross-section. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, candle facets, main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

公开(公告)号：USD896685S1

公开(公告)日：2020-09-22

申请号：US29648258

申请日：2018-05-18

Applicant: Albert Gad Ltd.

Designer： Reuven Paikin

公开(公告)号：USD890623S1

公开(公告)日：2020-07-21

申请号：US29648210

申请日：2018-05-18

Applicant: Albert Gad Ltd.

Designer： Reuven Paikin

公开(公告)号：US20240358126A1

公开(公告)日：2024-10-31

申请号：US18764903

申请日：2024-07-05

Applicant: Albert Gad Ltd.

Inventor： Reuven Paikin

IPC: A44C17/00

CPC classification number: A44C17/001

Abstract: A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has an elliptical cross-section with a major axis and a minor axis. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, candle facets, main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

公开(公告)号：US20230225467A1

公开(公告)日：2023-07-20

申请号：US18188871

申请日：2023-03-23

Applicant: Albert Gad Ltd.

Inventor： Reuven PAIKIN

IPC: A44C17/00

CPC classification number: A44C17/001

Abstract: A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has an elliptical cross-section with a major axis and a minor axis. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, candle facets, main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

公开(公告)号：US11559121B2

公开(公告)日：2023-01-24

申请号：US17056679

申请日：2019-05-08

Applicant: Albert Gad Ltd.

Inventor： Reuven Paikin

IPC: A44C17/00

Abstract: A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper main crown facets, upper intermediate crown facets, lower main crown facets, lower intermediate crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, lower candle facets, lower main pavilion facets, upper candle facets, upper main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.

公开(公告)号：US20210212422A1

公开(公告)日：2021-07-15

申请号：US17150580

申请日：2021-01-15

Applicant: Albert Gad Ltd.

Inventor： Reuven PAIKIN

IPC: A44C17/00

Abstract: A gemstone includes a crown, a pavilion, and a girdle disposed between the crown and the pavilion. The girdle has an elliptical cross-section with a major axis and a minor axis. The surface of the gemstone is generally divided into a number of groups of interlocking facets disposed at a variety of angles. The groups of facets comprising the surface of the crown generally include star facets, upper intermediate crown facets, lower intermediate crown facets, main crown facets, and upper girdle facets. The upper girdle facets generally abut an upper edge of the girdle. The groups of facets comprising the surface of the pavilion include culet-adjacent facets, candle facets, main pavilion facets, and lower girdle facets. The lower girdle facets generally abut a lower edge of the girdle.