AU2019202213B1 - An inspection apparatus for crystal jewelry - Google Patents
An inspection apparatus for crystal jewelry Download PDFInfo
- Publication number
- AU2019202213B1 AU2019202213B1 AU2019202213A AU2019202213A AU2019202213B1 AU 2019202213 B1 AU2019202213 B1 AU 2019202213B1 AU 2019202213 A AU2019202213 A AU 2019202213A AU 2019202213 A AU2019202213 A AU 2019202213A AU 2019202213 B1 AU2019202213 B1 AU 2019202213B1
- Authority
- AU
- Australia
- Prior art keywords
- cavity
- wall
- observation
- jewelry
- optical concentrating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/87—Investigating jewels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8803—Visual inspection
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/8806—Specially adapted optical and illumination features
- G01N2021/8835—Adjustable illumination, e.g. software adjustable screen
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Adornments (AREA)
Abstract
This invention discloses an inspection apparatus for crystal jewelry, including an inspection
rod 11, wherein an observation cavity 12 is arranged in the inspection rod 11 with an opening
to a first side, wherein a handle 19 is fixedly connected with a bottom end surface of the
observation cavity 12, and a bottom end inner wall of the observation cavity 12 is provided
with a switching device 901, and an inner wall of a second side of the observation cavity 12
is provided with an open groove 47 mounted on a top end of the switching device 901, and an
optical concentrating device 902 slidably connected with the open groove 47 is arranged in
the observation cavity 12. This apparatus is simple in structure, which can be observed
rorarably under the concentrating lighting to do an adequate inspection of the interior and
external quality of the crystal jewelry.
Description
[0001] The present invention relates to the technical field of living supplies, in particular to an inspection apparatus for crystal jewelry.
[0002] Crystal jewelry needs to be carefully inspected before being purchased. People can't touch or observe directly when inspecting the crystal jewelry, otherwise the surface of the crystal jewelry will be polluted by stains. Moreover, the visual inspection of crystals requires strong light to illuminate the interior transparency. The present invention clarifies an apparatus capable of solving the above-mentioned problems.
[0003] The purpose of the invention is to provide an inspection apparatus for crystal jewelry so as to overcome the problems existing in the prior art.
[0004] An inspection apparatus for crystal jewelry according to the invention comprises an inspection rod, wherein an observation cavity is arranged in said inspection rod with an opening to a first side, wherein a handle is fixedly connected with a bottom end surface of said observation cavity, and a bottom end inner wall of said observation cavity is provided with a switching device, and an inner wall of a second side of said observation cavity is provided with an open groove mounted on a top end of said switching device, and an optical concentrating device slidably connected with said open groove is arranged in said observation cavity, wherein said optical concentrating device is controlled by said switching device, and a holding device which is horizontally symmetrical is arranged in said optical concentrating device, and a rotation axis which is horizontally extended is rotatably connected with a top end inner wall of said observation cavity, wherein said rotation axis is provided with a holding lever located in a top outer side of said observation cavity, wherein said rotation axis is provided with an upper connecting shaft machine located in said observation cavity, wherein said holding device is controlled by said upper connecting shaft machine; whereby the jewelry is fixed by said holding device, and said switching device is pressed, and said optical concentrating device is moved upwards, thus the light is turned on, and said holding lever is manually rotated to drive said upper connecting shaft machine to rotate by said rotation axis, and further drive said holding device to rotate, thereby facilitating comprehensive observation of the crystal.
[0005] As an optimized technical proposal, said switching device comprises a switch box fixedly connected to the bottom end inner wall of said observation cavity, wherein a conversion cavity is aranged in said switch box, wherein a driven shaft is slidably connected with a top end inner wall of said conversion cavity, wherein said driven shaft is rotatably connected with said optical concentrating device, and a trapezoidal block is rotatably connected with a lower end of said driven shaft, wherein a resistance spring is connected with and arranged between the trapezoidal block and the conversion cavity, and a first end inner wall of said conversion cavity is provided with a bracket, wherein a rotary rod is rotatably connected with said bracket, wherein a top end of said rotary rod is provided with a roll ball abutted against said trapezoidal block, and a lower end of said rotary rod is provided with a dowel pin, and said conversion cavity is provided with a push lever which is in sliding connection with a second end inner wall of said conversion cavity, wherein a compression spring is connected with and arranged between a first side of said push lever and an inner wall of the first side of said conversion cavity, and said push lever is provided with a button located outside of a second part of said conversion cavity, and said push lever is provided with a straight slot, wherein said dowel pin is in sliding connection with said straight slot; whereby said rotary rod is rotated counterclockwise by pressing said button, and said trapezoidal block is pushed up to move said optical concentrating device upwards.
[0006] As an optimized technical proposal, said optical concentrating device comprises an optical concentrating box rotatably connected with said driven shaft, wherein said optical concentrating box is provided with a placement cavity with an opening facing upwards, and a groove is arranged on said driven shaft with an opening facing upwards, wherein a top end surface of said groove is fixedly connected with said holding device, and a sleeve is rotatably arranged on an inner wall of a top end of said placement cavity, wherein a top end of said sleeve is provided with a lower connecting shaft machine abutted against said upper connecting shaft machine, and a lower end of said sleeve isfixedly connected with said holding device, and a sliding lever is slidably arranged in an inner wall of a first end of said placement cavity, wherein a tilt sliding block slidably connected with said open groove is arranged on said sliding lever, wherein an extension spring is connected with and arranged between a second side of said tilt sliding block and afirst end surface of said placement cavity, and said sliding lever is provided with a plugboard located in said placement cavity, and said placement cavity is provided with a plug abutted against said plugboard, wherein said plug is provided with a bulb; whereby the jewelry is fixed by said holding device, and said tilt sliding block can move up and slide out of said open groove, thereby causing said plugboard to abut against said plug to light said bulb.
[0007] As an optimized technical proposal, said holding device comprises limiting frames fixedly connected with said sleeve, wherein inclined surface grooves are arranged in said limiting frames, wherein said inclined surface grooves are provided with telescopic rods slidably connected with said inclined surface grooves away from the side of an inner wall of the symmetrical center, wherein abutted boards are arranged on side ends of said telescopic rods near the symmetrical center, wherein said abutted boards are communicated with slideways which are horizontally symmetrical, and chain levers which are horizontally symmetrical are hingedly connected with said telescopic rods, wherein each of reset springs is connected with and arranged between a side of a respective one of said chain levers near the symmetric center and a respective one of said telescopic rods, and said chain levers are provided with rollers abutted against said inclined surface grooves, wherein said rollers are hingedly connected with clamping levers which slidably connected with said slideways; whereby through the spacing sliding between said abutted boards, said rollers are limited by said inclined surface grooves, and then said chain levers are rotated to mutually approach, and the jewelry is fixed by said clamping levers.
[0008] The invention has the following benefits: the invention clamps and fixes the crystal jewelry in the optical concentrating area, which realizes the detailed observation of the inner and outer quality; furthermore, it can perform a omnidirectional inspection on the crystal item by rotating the clamping structure. Meanwhile, the overall structure can be realized only by pressing the button, which is easy to operate.
[0009] For better description, the present invention is described in detail by the following specific embodiments and drawings.
[00010] FIG. 1 is a schematic structural diagram depicting an overall configuration inside an inspection apparatus for crystal jewelry of this invention;
[0011] FIG. 2 is the enlarged schematic structural diagram of "A" in FIG.1.
[0012] The invention will be described in detail below referring to FIG. 1 to FIG. 2. For better explanation, the orientations described hereinafter are defined as follows: directions of up, down, front and rear in the text are identical to the directions of up, down, front and rear of FIG.1.
[0013] An inspection apparatus for crystal jewelry according to the invention comprises an inspection rod 11, wherein an observation cavity 12 is arranged in said inspection rod 11 with an opening to a first side, wherein a handle 19 isfixedly connected with a bottom end surface of said observation cavity 12, and a bottom end inner wall of said observation cavity 12 is provided with a switching device 901, and an inner wall of a second side of said observation cavity 12 is provided with an open groove 47 mounted on a top end of said switching device 901, and an optical concentrating device 902 slidably connected with said open groove 47 is arranged in said observation cavity 12, wherein said optical concentrating device 902 is controlled by said switching device 901, and a holding device 903 which is horizontally symmetrical is arranged in said optical concentrating device 902, and a rotation axis 28 which is horizontally extended is rotatably connected with a top end inner wall of said observation cavity 12, wherein said rotation axis 28 is provided with a holding lever 27 located in a top outer side of said observation cavity 12, wherein said rotation axis 28 is provided with an upper connecting shaft machine 29 located in said observation cavity 12, wherein said holding device 903 is controlled by said upper connecting shaft machine 29; whereby the jewelry is fixed by said holding device 903, and said switching device 901 is pressed, and said optical concentrating device 902 is moved upwards, thus the light is turned on, and said holding lever 27 is manually rotated to drive said upper connecting shaft machine 29 to rotate by said rotation axis 28, and further drive said holding device 903 to rotate, thereby facilitating comprehensive observation of the crystal.
[0014] Beneficially, said switching device 901 comprises a switch box 13 fixedly connected to the bottom end inner wall of said observation cavity 12, wherein a conversion cavity 14 is aranged in said switch box 13, wherein a driven shaft 26 is slidably connected with a top end inner wall of said conversion cavity 14, wherein said driven shaft 26 is rotatably connected with said optical concentrating device 902, and a trapezoidal block 24 is rotatably connected with a lower end of said driven shaft 26, wherein a resistance spring 25 is connected with and arranged between the trapezoidal block 24 and the conversion cavity 14, and a first end inner wall of said conversion cavity 14 is provided with a bracket 17, wherein a rotary rod 16 is rotatably connected with said bracket 17, wherein a top end of said rotary rod 16 is provided with a roll ball 15 abutted against said trapezoidal block 24, and a lower end of said rotary rod 16 is provided with a dowel pin 23, and said conversion cavity 14 is provided with a push lever 21 which is in sliding connection with a second end inner wall of said conversion cavity 14, wherein a compression spring 18 is connected with and arranged between a first side of said push lever 21 and an inner wall of the first side of said conversion cavity 14, and said push lever 21 is provided with a button 20 located outside of a second part of said conversion cavity 14, and said push lever 21 is provided with a straight slot 22, wherein said dowel pin 23 is in sliding connection with said straight slot 22; whereby said rotary rod 16 is rotated counterclockwise by pressing said button 20, and said trapezoidal block 24 is pushed up to move said optical concentrating device 902 upwards.
[0015] Beneficially, said optical concentrating device 902 comprises an optical concentrating box 44 rotatably connected with said driven shaft 26, wherein said optical concentrating box 44 is provided with a placement cavity 43 with an opening facing upwards, and a groove 42 is arranged on said driven shaft 26 with an opening facing upwards, wherein a top end surface of said groove 42 is fixedly connected with said holding device 903, and a sleeve 50 is rotatably arranged on an inner wall of a top end of said placement cavity 43, wherein a top end of said sleeve 50 is provided with a lower connecting shaft machine 49 abutted against said upper connecting shaft machine 29, and a lower end of said sleeve 50 isfixedly connected with said holding device 903, and a sliding lever 38 is slidably arranged in an inner wall of a first end of said placement cavity 43, wherein a tilt sliding block 45 slidably connected with said open groove 47 is arranged on said sliding lever 38, wherein an extension spring 46 is connected with and arranged between a second side of said tilt sliding block 45 and a first end surface of said placement cavity 43, and said sliding lever 38 is provided with a plugboard 48 located in said placement cavity 43, and said placement cavity 43 is provided with a plug 40 abutted against said plugboard 48, wherein said plug 40 is provided with a bulb 39; whereby the jewelry is fixed by said holding device 903, and said tilt sliding block 45 can move up and slide out of said open groove 47, thereby causing said plugboard 48 to abut against said plug 40 to light said bulb 39.
[0016] Beneficially, said holding device 903 comprises limiting frames 30 fixedly connected with said sleeve 50, wherein inclined surface grooves 41 are arranged in said limiting frames , wherein said inclined surface grooves 41 are provided with telescopic rods 31 slidably connected with said inclined surface grooves 41 away from the side of an inner wall of the symmetrical center, wherein abutted boards 34 are arranged on side ends of said telescopic rods 31 near the symmetrical center, wherein said abutted boards 34 are communicated with slideways 37 which are horizontally symmetrical, and chain levers 36 which are horizontally symmetrical are hingedly connected with said telescopic rods 31, wherein each of reset springs 35 is connected with and arranged between a side of a respective one of said chain levers 36 near the symmetric center and a respective one of said telescopic rods 31, and said chain levers 36 are provided with rollers 32 abutted against said inclined surface grooves 41, wherein said rollers 32 are hingedly connected with clamping levers 33 which slidably connected with said slideways 37; whereby through the spacing sliding between said abutted boards 34, said rollers 32 are limited by said inclined surface grooves 41, and then said chain levers 36 are rotated to mutually approach, and the jewelry is fixed by said clamping levers 33.
[0017] In the initial state, the tilt sliding block 45 is located in the open groove 47 to disengage the plugboard 48 from the plug 40; at the same time, the upper connecting shaft machine 29 is disengaged from the lower connecting shaft machine 49.
[0018] When the device is in operation, the jewelry is pushed into the placement cavity 43 to squeeze the abutted boards 34 on both sides, causing them to slide toward both sides, respectively, so that the distance between the reset springs 35 is increased; the rollers 32 are limited by the inclined surface grooves 41 to rotate the chain levers 36, and the jewelry is clamped by the clamping levers 33; the button 20 is pressed to pass through the straight slot 22 by the push lever 21, so that causing the dowel pin 23 to slide within the straight slot 22 and drive the rotary rod 16 to rotate; the rotary rod 16 pushes the trapezoidal block 24 to move upwards by the roll ball 15, and then drives the optical concentrating box 44 to move upwards until the lower connecting shaft machine 49 abuts against the upper connecting shaft machine 29; at this time, the tilt sliding block 45 slides out from the open groove 47, and the plugboard 48 is pushed to abut against the plug 40 by the sliding lever 38, and the bulb 39 is illuminated, and the holding lever 27 is rotated to drive the holding device 903 to rotate through driving the rotation axis 28, the upper connecting shaft machine 29, the lower connecting shaft machine 49 and the sleeve 50 sequentially, thereby conducting a comprehensive observation in an optical concentrated environment.
[0019] After the end of the work, the button 20 is released, and the trapezoidal block 24 is moved downwards under the elastic recoveries of the compression spring 18 and the resistance spring 25; the optical concentrating box 44 is moved downwards by the driven shaft 26, and then the upper connecting shaft machine 29 is disengaged from the lower connecting shaft machine 49 to press the abutted boards 34 to one side, and the jewelry can be taken out by pulling from the side.
[0020] The invention has the following benefits: the invention clamps and fixes the crystal jewelry in the optical concentrating area, which realizes the detailed observation of the inner and outer quality; furthermore, it can perform a omnidirectional inspection on the crystal item by rotating the clamping structure. Meanwhile, the overall structure can be realized only by pressing the button, which is easy to operate.
[0021] Through above methods, persons skilled in the art can make any kinds of modifications according to the working mode in a field of this invention.
Claims (4)
1. An inspection apparatus for crystal jewelry, comprising:
an inspection rod,
wherein an observation cavity is arranged in said inspection rod with an opening to a first side,
wherein a handle is fixedly connected with a bottom end surface of said observation cavity;
a switching device arranged in a bottom end inner wall of said observation cavity;
an open groove mounted on a top end of said switching device is arranged in an inner wall of a second side of said observation cavity;
an optical concentrating device which is slidably connected with said open groove arranged in said observation cavity,
wherein said optical concentrating device is controlled by said switching device;
a holding device which is horizontally symmetrical arranged in said optical concentrating device;
a rotation axis which is horizontally extended rotatably connected with a top end inner wall of said observation cavity,
wherein said rotation axis is provided with a holding lever located in a top outer side of said observation cavity,
wherein said rotation axis is provided with an upper connecting shaft machine located in said observation cavity,
wherein said holding device is controlled by said upper connecting shaft machine; whereby the jewelry is fixed by said holding device, and said switching device is pressed, and said optical concentrating device is moved upwards, thus the light is turned on, and said holding lever is manually rotated to drive said upper connecting shaft machine to rotate by said rotation axis, and further drive said holding device to rotate, thereby facilitating comprehensive observation of the crystal.
2. The inspection apparatus for crystal jewelry as defined in claim 1, wherein the switching device comprises a switch box fixedly connected to the bottom end inner wall of said observation cavity,
wherein a conversion cavity is aranged in said switch box,
wherein a driven shaft is slidably connected with a top end inner wall of said conversion cavity,
wherein said driven shaft is rotatably connected with said optical concentrating device;
a trapezoidal block rotatably connected with a lower end of said driven shaft,
wherein a resistance spring is connected with and arranged between the trapezoidal block and the conversion cavity;
a bracket arranged on a first end inner wall of said conversion cavity,
wherein a rotary rod is rotatably connected with said bracket,
wherein a top end of said rotary rod is provided with a roll ball abutted against said trapezoidal block;
a dowel pin arranged in a lower end of said rotary rod;
a push lever which is in sliding connection with a second end inner wall of said conversion cavity arranged in said conversion cavity,
wherein a compression spring is connected with and arranged between a first side of said push lever and an inner wall of the first side of said conversion cavity; a button which is located outside of a second part of said conversion cavity arranged in said push lever; a straight slot arranged in said push lever, wherein said dowel pin is in sliding connection with said straight slot; whereby said rotary rod is rotated counterclockwise by pressing said button, and said trapezoidal block is pushed up to move said optical concentrating device upwards.
3. The inspection apparatus for crystal jewelry as defined in claim 1 or claim 2, wherein the optical concentrating device comprises an optical concentrating box rotatably connected with said driven shaft,
wherein said optical concentrating box is provided with a placement cavity with an opening facing upwards;
a groove arranged on said driven shaft with an opening facing upwards,
wherein a top end surface of said groove isfixedly connected with said holding device;
a sleeve rotatably arranged on an inner wall of a top end of said placement cavity,
wherein a top end of said sleeve is provided with a lower connecting shaft machine abutted against said upper connecting shaft machine, and a lower end of said sleeve isfixedly connected with said holding device;
a sliding lever slidably arranged in an inner wall of afirst end of said placement cavity,
wherein a tilt sliding block slidably connected with said open groove is arranged on said sliding lever,
wherein an extension spring is connected with and arranged between a second side of said tilt sliding block and a first end surface of said placement cavity; a plugboard located in said placement cavity arranged in said sliding lever; a plug abutted against said plugboard arranged in said placement cavity, wherein said plug is provided with a bulb; whereby the jewelry is fixed by said holding device, and said tilt sliding block can move up and slide out of said open groove, thereby causing said plugboard to abut against said plug to light said bulb.
4. The inspection apparatus for crystal jewelry as defined in claim 1, claim 2 or claim 3, wherein the holding device comprises limiting frames fixedly connected with said sleeve,
wherein inclined surface grooves are arranged in said limiting frames,
wherein said inclined surface grooves are provided with telescopic rods slidably connected with said inclined surface grooves away from the side of an inner wall of the symmetrical center,
wherein abutted boards are arranged on side ends of said telescopic rods near the symmetrical center,
wherein said abutted boards are communicated with slideways which are horizontally symmetrical;
chain levers which are horizontally symmetrical hingedly connected with said telescopic rods,
wherein each of reset springs is connected with and arranged between a side of a respective one of said chain levers near the symmetric center and a respective one of said telescopic rods;
rollers abutted against said inclined surface grooves arranged in said chain levers,
wherein said rollers are hingedly connected with clamping levers which slidably connected with said slideways; whereby through the spacing sliding between said abutted boards, said rollers are limited by said inclined surface grooves, and then said chain levers are rotated to mutually approach, and the jewelry is fixed by said clamping levers.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019102050629 | 2019-03-18 | ||
| CN201910205062 | 2019-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2019202213B1 true AU2019202213B1 (en) | 2020-07-02 |
Family
ID=68489300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2019202213A Ceased AU2019202213B1 (en) | 2019-03-18 | 2019-03-29 | An inspection apparatus for crystal jewelry |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110455810A (en) |
| AU (1) | AU2019202213B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986251A (en) * | 2021-02-21 | 2021-06-18 | 王清龙 | Fine rotation adjusting device for jade bracelet and finger |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4906083A (en) * | 1987-05-21 | 1990-03-06 | Sattler Hans Eberhard | Apparatus for examining gemstones and the like |
| WO2011092493A2 (en) * | 2010-01-26 | 2011-08-04 | De Beers Centenary AG | Gemstone sparkle analysis |
| US20130321792A1 (en) * | 2012-06-04 | 2013-12-05 | Frederick W. Shapiro | Universal tool for automated gem and mineral identification and measurement |
-
2019
- 2019-03-29 AU AU2019202213A patent/AU2019202213B1/en not_active Ceased
- 2019-08-26 CN CN201910792655.XA patent/CN110455810A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4906083A (en) * | 1987-05-21 | 1990-03-06 | Sattler Hans Eberhard | Apparatus for examining gemstones and the like |
| WO2011092493A2 (en) * | 2010-01-26 | 2011-08-04 | De Beers Centenary AG | Gemstone sparkle analysis |
| US20130321792A1 (en) * | 2012-06-04 | 2013-12-05 | Frederick W. Shapiro | Universal tool for automated gem and mineral identification and measurement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112986251A (en) * | 2021-02-21 | 2021-06-18 | 王清龙 | Fine rotation adjusting device for jade bracelet and finger |
| CN112986251B (en) * | 2021-02-21 | 2024-04-26 | 王清龙 | Jade bracelet and spanner finger micro-rotation vision adjusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110455810A (en) | 2019-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC1 | Assignment before grant (sect. 113) |
Owner name: PUJIANG COUNTY JINGJIU CRYSTAL CO., LTD. Free format text: FORMER APPLICANT(S): HAINING JINSHI CRYSTAL CO., LTD. |
|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |