Diamond gauge with three-dimensional stone simulant

Details Diamond gauge with three-dimensional stone simulant Diamond gauge with three-dimensional stone simulant

1984-02-14

1985-06-25

Ward, Robert S.

Geometrical instruments

Area integrators

Electrical

30358, 81 7, G01B 346, G01B 512

Patent

active

045245258

ABSTRACT:
A set of diamond gauges for sizing settings for small diamonds. The gauge includes a stone simulant having a central axis and having sections corresponding generally to the culet, the girdle and the table of a brilliant cut diamond. A handle is connected to the section of the stone simulant corresponding to the table and extends in a direction generally parallel to the central axis. In the preferred embodiment, the handle is generally cylindrical in shape and coaxial with the central axis.

REFERENCES:
patent: 393232 (1888-11-01), Heppding
patent: 679143 (1901-07-01), Ford
patent: 2377679 (1945-06-01), Eckstein
patent: 2767478 (1956-10-01), Adams
patent: 3318006 (1967-05-01), Martinez
patent: 4043045 (1977-08-01), Rodriguez
patent: 4107850 (1978-08-01), Adler

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