Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2002-08-29
2003-11-18
Gray, Linda (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S268000, C156S063000, C156S254000, C156S292000, C156S293000, C083S013000, C083S861000, C063S032000
Reexamination Certificate
active
06649009
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to methods for manufacturing jewelry stones and, more specifically, to a method for cleaving a faceted primary gemstone and boring the planar surface thereof to form a cavity to retain a secondary gemstone therein. The two cleaved portions of the primary stone are then bonded together sealing the secondary gemstone therebetween.
2. Description of the Prior Art
Gemstones are minerals that for centuries have been treasured for their beauty and durability. There are three types of gemstones: natural, synthetic, and simulant. Natural gemstones include minerals used as faceting, lapidary, or carving rough, and specimen. Natural gemstones also include organic materials such as amber, coral, fossil, ivory, mother of pearl, natural and cultured freshwater pearls, and natural saltwater pearls.
Synthetic and simulant are laboratory-grown gemstones. Others in the gemstones industry may use different terms to refer to laboratory grown gemstones. Laboratory grown synthetic gemstones have essentially the same appearance and optical, physical, and chemical properties as the natural material that they represent. Laboratory grown simulants on the other hand, have an appearance similar to that of a natural gemstone but have different optical, physical, and chemical properties.
Gemstone quality and value are evaluated according to the “four Cs”: color, clarity, cut, and carat weight. Color is the key factor. In general, within each gemstone variety, a clear, medium-tone, very intense and saturated primary color is the most preferred. The next most important factor affecting value is clarity, with clear transparent gemstones with no visible flaws being the most valued. A good cut is something that may not cost more but can add or subtract a lot of beauty. A well-cut faceted gemstone reflects light back evenly across its surface area when held face up. Gemstones are generally sold by weight not by size. The unit of measure is carat, which is one-fifth of a gram.
There are methods of manufacturing jewelry stones. Typical of these is U.S. Pat. No. 286,023 issued to G. Lancon on Oct. 2, 1883.
A patent was issued on Jun. 27, 1922 as U.S. Pat. No. 1,421,329 to H. H. Welch. Another patent was issued to H. H. Welch on Oct. 1, 1929 as U.S. Pat. No. 1,730,257. Yet another U.S. Pat. No. 2,447,407 was issued to M. Grain on Aug. 17, 1948 and still yet another was issued on Jun. 6, 1933 to S. Stonberg as U.S. Pat. No. 1,912,602.
U.S. Pat. No. 3,835,665 was issued to G. B. Kitchel on Sep. 17, 1974. Another patent was issued to Normann, Jr. on Mar. 7, 1989 as U.S. Pat. No. 4,809,417. Yet another U.S. Pat. No. 4,942,744 was issued to H. C. Wei on Jul. 24, 1990 and still yet another was issued to J. T. Waugh on Feb. 25, 1992 as U.S. Pat. No. 5,090,216.
Another patent was issued to C. C. Woo on Jul. 18, 1995 as U.S. Pat. No. 5,432,988. U.S. Pat. No. 5,454,234 was issued on Oct. 3, 1995 to D. W. Karmeli and on Feb. 15, 2000 H. E. Meissner was issued U.S. Pat. No. 6,025,060. Gilles Goineau was issued French Patent No. FR2621230 on Apr. 7, 1989.
While these methods of manufacturing jewelry stones may be suitable for the purposes for which they were designed, they would not be as suitable for the purposes of the present invention, as hereinafter described.
U.S. Pat. No. 286,023
Inventor: Gedeon Lancon
Issued: Oct. 2, 1883
An imitation gem composed of garnet or other suitable stone cut in two parts, hollowed out and containing a core or filling of colored enamel, substantially as described.
U.S. Pat. No. 1,421,329
Inventor: Horace H. Welch
Issued: Jun. 27, 1922
A finger ring having a setting, and artificial gem secured therein, said gem comprising a hollow body, and a sufficient number of loose brilliant display elements housed and movable in said body to give to the gem as a whole the appearance of internal mobility upon movement of the gem, said body being sufficiently translucent to render visible therethrough the moving brilliant display elements.
U.S. Pat. No. 1,730,257
Inventor: Horace H. Welch
Issued: Oct. 1, 1929
The improvement in a composite gem of the type comprising a group of a multiplicity of small gems immersed and movable in a substantially transparent housing wherein the liquid spaces apart the small gems when they are set in motion therein, said improvement consisting of a plurality of substantially transparent spacing pieces intermingled with the small gems and mobile in the liquid and having the property relative to the liquid which causes them to be substantially indistinguishable optically when in the liquid.
U.S. Pat. No. 1,912,602
Inventor: Samuel Stonberg
Issued: Jun. 6, 1933
The combination of a hollow diaphanous body member, a plurality of gem elements therein, and a quantity of s-tetrabromoethane surrounding said elements and diluted sufficiently to provide a specific gravity substantially equal to that of said elements.
U.S. Pat. No. 2,447,407
Inventor: Mark Grain
Issued: Aug. 17, 1948
A faceted gem having an opening in the lower central portion thereof, a smaller faceted gem adapted to fit within said opening which permits it to revolve and move slightly therein, a closure for said opening, said smaller gem resting upon said closure whereby greater brilliance is obtained.
U.S. Pat. No. 3,835,665
Inventor: George Behrman Kitchel
Issued: Sep. 17, 1974
A gem of material for transmitting ambient light comprising: a crown having a plurality of facets; a pavilion having a plurality of facets; and means embedded within the pavilion for reflecting a colored light portion of said transmitted ambient light, said means coacting with said facets for causing a variable dispersed pattern of said reflected light and other transmitted light to be visible in the facets of said crown.
U.S. Pat. No. 4,809,417
Inventor: George W. Norman, Jr.
Issued: Mar. 7, 1989
A multiplet jewelry product constructed of two or more layers of material affixed together having visual indicia secured therebetween is disclosed. Affixation is preferably accomplished using adhesive materials. The top layer of the multiple jewelry product is constructed of a material sufficiently transparent to permit observation of the visual indicia. Subsequent layers of material consist of a selected transparent, semi-transparent or non-transparent gemstone materials. Visual indicia usable in the invention include symbolic representations, words, alphabet letters, pictures, designs, or objects. The completed product represents an attractive and unique jewelry item having an unusual and aesthetically desirable visual appearance.
U.S. Pat. No. 4,942,744
Inventor: Hsu C. Wei
Issued: Jul. 24, 1990
It is a self-shining artificial jewelry device, which mainly comprises a piece of artificial jewel having a cavity, an illuminating element being mounted inside the cavity, of which the inner surface is furnished with a plurality of facets. The outer facets of the artificial jewel are coated with a colored coating. When the illuminating element is lighted up, the light will be reflected repeatedly through the inner facets, the outer facets, and the colored coating to generate a brilliant and splendid shining; this jewelry device may be used to replace the expensive jewels and the natural crystal elements, which are deemed to have poor shining result.
U.S. Pat. No. 5,090,21
Inventor: John T. Waugh
Issued: Feb. 25, 1992
An enhanced gemstone that has a semiprecious gemstone having a crown member with a table surface and a conical seat centered in the table surface. A precious stone is set in the conical seat with the pavilion member of the precious stone matching the angle of the conical seat. The precious stone is secured in the conical seat with means such as cement.
U.S. Pat. No. 5,432,988
Inventor: Chong C. Woo
Issued: Jul. 18, 1995
A method for setting a gemstone in a semi-precious stone, capable of achieving an easy setting and thereby greatly reducing the labor and the work time. The method includes the steps of preparing a gem stone having a girdle and upper a
Gray Linda
Kroll Michael I
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