CN103737628A - Child protection kitchen knife - Google Patents
Child protection kitchen knife Download PDFInfo
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- CN103737628A CN103737628A CN201310756042.3A CN201310756042A CN103737628A CN 103737628 A CN103737628 A CN 103737628A CN 201310756042 A CN201310756042 A CN 201310756042A CN 103737628 A CN103737628 A CN 103737628A
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- knife
- insertion groove
- handle
- kitchen knife
- kitchen
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Abstract
The invention discloses a child protection kitchen knife, and relates to a kitchen utensil. The kitchen knife comprises a knife body, a knife handle and a knife pouch, the knife body is provided with a fixing projection, the fixing projection is fixed into the knife handle, the knife pouch is matched with the knife body, and a protector is arranged between the knife pouch and the knife handle and can protect a child from injury after mistakenly taking the kitchen knife. Compared with the prior art, the kitchen knife is provided with a protective sleeve for preventing danger caused after the child unintentionally takes the kitchen knife, the protective sleeve can effectively prevent the child from taking out the kitchen knife from the protective sleeve, but an adult can quite easily take out the kitchen knife from the protective sleeve. Besides, the protective sleeve can all-dimensionally cover the knife body, so that an optional portion of the knife body cannot be exposed outside, and the kitchen knife solves the problem that the danger is easily caused after the child unintentionally takes the kitchen knife.
Description
Technical field
The present invention relates to a kind of kitchen utensils, especially a kind of kitchen knife.
Background technology
Kitchen knife is common during people live and is indispensable kitchen utensils, and kitchen knife is very sharp, during improper use, can cause serious consequence.Even if adult accidentally can injure oneself when cutting the dish, for muddled children, when touching kitchen knife, they tend to occur great potential safety hazard.Present family is all two-earners family substantially, a children often people stay at home, naughty children can have horseplay within doors, and kitchen knife is all placed on the table top in kitchen or in cupboard substantially, children are very easy to obtain, if children take kitchen knife to play, be very easy to occur accident, cause too late to regret consequence.
Summary of the invention
The present invention is directed to deficiency of the prior art; a kind of virgin kitchen knife of protecting is provided, has there is protective sleeve, prevented from causing danger after children are not intended to take kitchen knife; this protective sleeve can effectively prevent that children from taking out kitchen knife from protective sleeve, and adult can be very easy to a kitchen knife and takes out from protective sleeve.Simultaneously this protective sleeve can comprehensively cover in kitchen knife body, does not allow outside kitchen knife body arbitrary portion is exposed to.Solved after present children are not intended to take kitchen knife and easily caused dangerous problem.
In order to solve the problems of the technologies described above, the present invention is solved by following technical proposals: a kind ofly protect virgin kitchen knife, comprise cutter hub and handle of a knife, described cutter hub is provided with fixed projection, described fixed projection is fixed in described handle of a knife, also comprise the broach shell matching with described cutter hub, on described handle of a knife, be provided with cavity, in described cavity, be provided with first back-up ring and spring stack, on described spring stack, be provided with second back-up ring, between described first back-up ring and described second back-up ring, be provided with first spring, described spring stack one end extends to outside described handle of a knife, the described spring stack other end is provided with outward-dipping annular protrusion, in described cavity, be also provided with the rotation fixed mechanism that several match with described annular protrusion, on described broach shell, be provided with hold-down bars, described hold-down bars stretches in described cavity and matches with described rotation fixed mechanism, in described hold-down bars, be provided with cylindrical lock chamber, described lock chamber top is provided with first insertion groove, on described handle of a knife, be provided with the second insertion groove matching with described first insertion groove, on described second insertion groove, slide and be provided with fixing button, described fixing button stretches in described lock chamber, in described broach shell, be provided with several rubber strips, described broach shell is provided with chain stretching device near one side of described handle of a knife, described chain stretching device comprises pull head, only upper and lower stopping, described upper one end being only arranged near described handle of a knife, described lower one end being only arranged on away from described handle of a knife, described pull head is from the lower closed described broach shell that only up only moves, on described pull head, be provided with pulling-on piece, on described handle of a knife, be provided with the snap collar matching with described pulling-on piece.Arrange like this, on broach shell, be provided with hold-down bars, during without kitchen knife, can kitchen knife be entangled with broach shell, allow hold-down bars be inserted in the cavity in handle of a knife simultaneously.In cavity, hold-down bars is first rotated fixed mechanism and fixes, then user of service inserts fixing button in lock chamber, then rotate again fixing button and be stuck in lock chamber by fixing button, finally pull on the chain stretching device at broach shell side, allow the pulling-on piece on pull head block snap collar on handle of a knife.Moreover, in broach shell, arrange and also have rubber strip, rubber strip is all arranged on kitchen knife body edge, prevents that kitchen knife body sharp parts from puncturing broach shell.Whole kitchen knife body is all sealed simultaneously, prevents that again kitchen knife body from may come out and cause dangerous problem from broach shell opening part.In the time of need to using kitchen knife, first pulling-on piece is deviate from from snap collar, then the pull head of leaving behind, allow broach shell expose opening, then need to pin spring stack always, allow and rotate fixed mechanism rotation, release hold-down bars, then rotate fixing button again, fixing button is extracted out in lock chamber, broach shell just can depart from from kitchen knife like this.If separately by spring stack or rotate separately fixing button and all cannot allow broach shell depart from kitchen knife body, need two operations simultaneously could releases.This method of operating is very easy to being grown up, and as long as when operation adult be inclination kitchen knife, then pins spring stack when holding handle of a knife with one, and fixing button is extracted in the rotation of another hand, then pulls broach shell, just can take out very efficiently kitchen knife.For children, this method of operating is very loaded down with trivial details, Most of children is with can then not rotate fixing button according to spring stack always simultaneously, because kitchen knife itself has certain weight, children's strength is less and hand is also less, substantially can not make so coherent action, especially always pinning spring stack rotates fixing button simultaneously and takes advantage of a situation and pull broach shell This move, in most of the cases, children rotated after fixing button before pulling broach shell will trip spring post, broach shell cannot be taken off like this.Further, children often can't pull pulling-on piece from snap collar, have avoided so again children to touch kitchen knife body from broach shell opening part and have caused dangerous situation.
In technique scheme, preferred, described annular protrusion cross section is triangle, and the one side that described annular protrusion contacts with described rotation fixed mechanism is outward-dipping inclined-plane.Arrange like this, while conveniently pressing spring stack, allow and rotate fixed mechanism rotation, allow hold-down bars loose from rotating fixed mechanism.
In technique scheme, preferably, described rotation fixed mechanism comprises the first rotating shaft being arranged in described cavity, in described first rotating shaft, be provided with first dwang, described first dwang one end touches the one side of described annular protrusion, the other end is provided with non-return projection, described non-return convex cross section is triangle, between described non-return projection and described cavity inwall, be provided with second spring, described second both ends of the spring is separately fixed on the protruding and described cavity inwall of described non-return, described hold-down bars top is provided with the round platform matching with described non-return projection.Arrange like this, can allow hold-down bars insert convenient, after hold-down bars inserts, second spring can stop non-return projection mobile simultaneously, prevents that hold-down bars from deviating from.
In technique scheme, preferably, described first insertion groove is rectangle, first insertion groove catercorner length described in described lock chamber diameter length is not less than and described first insertion groove center are in described lock chamber home position, described second insertion groove size shape and described first insertion groove are thought etc. and are positioned at directly over described first insertion groove, described fixing button lower end is provided with rectangular block, and described rectangular block size matches with described second insertion groove and can in described lock chamber, rotate with described first insertion groove.Arrange like this, the size shape of rectangular block is identical with second insertion groove with first insertion groove, rectangular block can be deep into lock chamber inside by first insertion groove and second insertion groove easily, then rotates rectangular block and is stuck in lock chamber by rectangular block, cannot directly by second insertion groove and first insertion groove, extract.Hold-down bars just can not move easily like this, and must rectangular block deviating from lock chamber, hold-down bars could move.
Compared with prior art; the invention has the beneficial effects as follows: there is protective sleeve; prevent from causing danger after children are not intended to take kitchen knife, this protective sleeve can effectively prevent that children from taking out kitchen knife from protective sleeve, and adult can be very easy to a kitchen knife and takes out from protective sleeve.Simultaneously this protective sleeve can comprehensively cover in kitchen knife body, does not allow outside kitchen knife body arbitrary portion is exposed to.Solved after present children are not intended to take kitchen knife and easily caused dangerous problem.
Accompanying drawing explanation
Fig. 1 is inventive embodiments 1 side perspective schematic diagram.
Fig. 2 is inventive embodiments 2 cutter hub side schematic views.
Fig. 3 is inventive embodiments 2 side perspective schematic diagrames.
Fig. 4 is inventive embodiments 2 bayonet unit schematic diagrames.
Fig. 5 is invention Fig. 1 and Fig. 2-a place schematic diagram.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment, the present invention is described in further detail.
Embodiment 1: as shown in Figure 1 and Figure 5, a kind of kitchen knife, comprises cutter hub 1 and handle of a knife 2, and cutter hub 1 is provided with the fixed projection 11 being fixed in handle of a knife 2.On cutter hub 1, be provided with broach shell 5 detachable and parcel cutter hub 1.On handle of a knife 2, be provided with cavity 21, be provided with first back-up ring 22 and spring stack 3 in cavity 21, be provided with second back-up ring 31 on spring stack 3, between first back-up ring 22 and second back-up ring 31, be provided with first spring 32, spring stack 3 one end extend to outside described handle of a knife 2.Spring stack 3 other ends are provided with outward-dipping annular protrusion 33, and annular protrusion 33 cross sections are triangle.In cavity 21, be also provided with the rotation fixed mechanism 4 that several match with annular protrusion 33, rotate fixed mechanism 4 and comprise the first rotating shaft 41 being arranged in cavity 21, in first rotating shaft 41, be provided with first dwang 42, first dwang 42 one end touch annular protrusion 33, the other end is provided with non-return projection 43, non-return projection 43 cross sections are triangle, between non-return projection 43 and cavity 21 inwalls, be provided with second spring 44, second spring 44 two ends be separately fixed at non-return protruding 43 with cavity 21 inwalls on.On broach shell 5, be provided with hold-down bars 51, hold-down bars 51 tops are provided with round platform 54, and round platform 54 matches with non-return projection 43.In hold-down bars 51, be provided with cylindrical lock chamber 52, lock chamber 52 tops are provided with first insertion groove 53, are provided with the second insertion groove 24 matching with first insertion groove 53 on handle of a knife 2, on second insertion groove 24, slide and are provided with fixing button 6.First insertion groove 53 is rectangle, lock chamber 52 diameter lengths are not less than first insertion groove 53 catercorner lengths and first insertion groove 53 centers in lock chamber 52 home positions, second insertion groove 24 size shape equate with first insertion groove 53 and are positioned at directly over first insertion groove 53, fixing button 6 lower ends are provided with rectangular block 61, and rectangular block 61 sizes match with second insertion groove 24 with first insertion groove 53 and can be in the interior rotation of lock chamber 52.In broach shell 5, be provided with several rubber strips 55, broach shell 5 is provided with chain stretching device 7 near one side of handle of a knife 2, chain stretching device 7 comprises pull head 71, upper only 74 and lower only 73, upper only 74 one end that are arranged near handle of a knife 2, lower only 73 one end that are arranged on away from handle of a knife 2, pull head 71 is from lower only 73 closed broach shells 5 of 74 motions only up, on pull head 71, be provided with pulling-on piece 72, on handle of a knife 2, be provided with the snap collar 25 matching with pulling-on piece 72.
During without kitchen knife, can cutter hub 1 be entangled with broach shell 5, allow hold-down bars 51 be inserted into 21 li of cavities in handle of a knife 2 simultaneously.At 21 li of hold-down bars 51 of cavity, be first rotated fixed mechanism 4 fixing, then user of service inserts fixing button 6 in lock chamber 52, more then rotates fixing button 6 and allow fixing button 6 be stuck in lock chamber 52.Moreover, the interior setting of broach shell 5 also has rubber strip 55, and rubber strip 55 is all arranged on cutter hub 1 edge, prevents that cutter hub 1 sharp parts from puncturing broach shell 6.With chain stretching device 7, whole cutter hub 1 is all sealed simultaneously, prevents that again cutter hub 1 from may come out and cause dangerous problem from broach shell 5 opening parts.While using kitchen knife, first pulling-on piece 72 is deviate from from snap collar 25, then the pull head 71 of leaving behind, allow broach shell 5 expose opening, and then pin spring stack 3 always, allow rotation fixed mechanism 4 rotate release hold-down bars 51, and then rotation fixing button 6, fixing button 6, from the interior extraction of lock chamber 52, broach shell 5 just can depart from from cutter hub 1 like this.Arrange like this and can allow adult easily cutter hub 1 be taken out from broach shell 5, children can not take out cutter hub 1 from broach shell 5 simultaneously, prevent that kitchen knife from hurting children.Handle of a knife 2 bottoms are provided with continuous wave shape groove 23 personnel easy to use and hold handle of a knife 2.
Embodiment 2: as shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of kitchen knife, comprises cutter hub 1 and handle of a knife 2, and cutter hub 1 is provided with the fixed projection 11 and the through hole 12 that are fixed in handle of a knife 2.On cutter hub 1, be provided with broach shell 5 detachable and parcel cutter hub 1.On handle of a knife 2, be provided with cavity 21, be provided with first back-up ring 22 and spring stack 3 in cavity 21, be provided with second back-up ring 31 on spring stack 3, between first back-up ring 22 and second back-up ring 31, be provided with first spring 32, spring stack 3 one end extend to outside described handle of a knife 2.Spring stack 3 other ends are provided with outward-dipping annular protrusion 33, and annular protrusion 33 cross sections are triangle.In cavity 21, be also provided with the rotation fixed mechanism 4 that several match with annular protrusion 33, rotate fixed mechanism 4 and comprise the first rotating shaft 41 being arranged in cavity 21, in first rotating shaft 41, be provided with first dwang 42, first dwang 42 one end touch annular protrusion 33, the other end is provided with non-return projection 43, non-return projection 43 cross sections are triangle, between non-return projection 43 and cavity 21 inwalls, be provided with second spring 44, second spring 44 two ends be separately fixed at non-return protruding 43 with cavity 21 inwalls on.On broach shell 5, be provided with hold-down bars 51, hold-down bars 51 tops are provided with round platform 54, and round platform 54 matches with non-return projection 43.On broach shell 5, be also provided with the bayonet unit 8 matching with through hole 12, bayonet unit 8 comprises first fixed block 81 and the second fixed block 82 relative with first fixed block 81 positions, and through hole 12 is between first fixed block 81 and second fixed block 82.On first fixed block 81, be provided with and stir projection 85, the one side of first fixed block 81 relative second fixed blocks 82 is provided with first magnet 83, is provided with the second magnet 84 relative with first magnet 83 on second fixed block 82.In broach shell 5, be provided with several rubber strips 55, broach shell 5 is provided with shutoff device near one side of handle of a knife 2, and shutoff device comprises first magnetic stripe 91 and second magnetic stripe 82, and first magnetic stripe 91 attracts each other with second magnetic stripe 92.
During without kitchen knife, can cutter hub 1 be entangled with broach shell 5, allow hold-down bars 51 be inserted into 21 li of cavities in handle of a knife 2 simultaneously.At 21 li of hold-down bars 51 of cavity, be first rotated fixed mechanism 4 fixing, then user of service is relative with second fixed block 82 first fixed block 81, allows first magnet 83 and second magnet 84 be attracted each other and to be pasted jail, the first of finally closing magnetic stripe 91 and second magnetic stripe 92 by through hole 12.Moreover, the interior setting of broach shell 5 also has rubber strip 55, and rubber strip 55 is all arranged on cutter hub 1 edge, prevents that cutter hub 1 sharp parts from puncturing broach shell 5.Whole like this cutter hub 1 is all sealed, and prevents that again cutter hub 1 from may come out and cause dangerous problem from broach shell 5 opening parts.In the time of need to using kitchen knife, first need to separate first magnetic stripe 91 and second magnetic stripe 92, then need to pin spring stack 3 always, allow rotation fixed mechanism 4 rotate release hold-down bars 51, then break again first fixed block 81 and second fixed block 82 into two with one's hands, allow first magnet 83 and second magnet 84 depart from, broach shell 5 just can depart from from cutter hub 1 like this.Arrange like this and can allow adult easily cutter hub 1 be taken out from broach shell 5, children can not take out cutter hub 1 from broach shell 5 simultaneously, prevent that kitchen knife from hurting children.Handle of a knife 2 bottoms are provided with continuous wave shape groove 23 personnel easy to use and hold handle of a knife 2.And children break first magnetic stripe 91 into two with one's hands and second magnetic stripe 92 is also gruelling, avoided so again children to touch cutter hub 1 from broach shell 5 opening parts and caused dangerous situation.
Claims (4)
1. the kitchen knife of a child protection, comprise cutter hub (1) and handle of a knife (2), described cutter hub (1) is provided with fixed projection (11), described fixed projection (11) is fixed in described handle of a knife (2), it is characterized by, also comprise the broach shell (5) matching with described cutter hub (1), on described handle of a knife (2), be provided with cavity (21), in described cavity (21), be provided with first back-up ring (22) and spring stack (3), on described spring stack (3), be provided with second back-up ring (31), between described first back-up ring (22) and described second back-up ring (31), be provided with first spring (32), described spring stack (3) one end extends to outside described handle of a knife (2), described spring stack (3) other end is provided with outward-dipping annular protrusion (33), in described cavity (21), be also provided with the rotation fixed mechanism (4) that several match with described annular protrusion (33), on described broach shell (5), be provided with hold-down bars (51), described hold-down bars (51) stretches in described cavity (21) and matches with described rotation fixed mechanism (4), in described hold-down bars (51), be provided with cylindrical lock chamber (52), described lock chamber (52) top is provided with first insertion groove (53), on described handle of a knife (2), be provided with the second insertion groove (24) matching with described first insertion groove (53), the upper slip of described second insertion groove (24) is provided with fixing button (5), described fixing button (5) stretches in described lock chamber (52), in described broach shell (5), be provided with several rubber strips (55), described broach shell (5) is provided with chain stretching device (7) near one side of described handle of a knife (2), described chain stretching device (7) comprises pull head (71), upper only (74) and lower only (73), described upper only (74) are arranged on the one end near described handle of a knife (2), described lower only (73) are arranged on the one end away from described handle of a knife (2), described pull head (71) up stops closed described broach shell (5) of (74) motion from lower only (73), on described pull head (71), be provided with pulling-on piece (72), on described handle of a knife (2), be provided with the snap collar (25) matching with described pulling-on piece (72).
2. the kitchen knife of a kind of child protection according to claim 1; it is characterized by; described annular protrusion (33) cross section is triangle, and the one side that described annular protrusion (33) contacts with described rotation fixed mechanism (4) is outward-dipping inclined-plane.
3. the kitchen knife of a kind of child protection according to claim 1 and 2, it is characterized by, described rotation fixed mechanism (4) comprises the first rotating shaft (41) being arranged in described cavity (21), in described first rotating shaft (41), be provided with first dwang (42), described first dwang (42) one end touches the one side of described annular protrusion (33), the other end is provided with non-return projection (43), described non-return projection (43) cross section is triangle, between described non-return projection (43) and described cavity (21) inwall, be provided with second spring (44), described second spring (44) two ends are separately fixed on described non-return projection (43) and described cavity (21) inwall, described hold-down bars (51) top is provided with the round platform (54) matching with described non-return projection (43).
4. the kitchen knife of a kind of child protection according to claim 1, it is characterized by, described first insertion groove (53) is rectangle, first insertion groove (53) catercorner length described in described lock chamber (52) diameter length is not less than and described first insertion groove (53) center are in described lock chamber (52) home position, described second insertion groove (24) size shape equates with described first insertion groove (53) and is positioned at directly over described first insertion groove (53), described fixing button (6) lower end is provided with rectangular block (61), described rectangular block (61) size matches with described second insertion groove (24) and can in described lock chamber (21), rotate with described first insertion groove (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310756042.3A CN103737628B (en) | 2013-12-28 | 2013-12-28 | A kind of kitchen knife protecting child |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310756042.3A CN103737628B (en) | 2013-12-28 | 2013-12-28 | A kind of kitchen knife protecting child |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103737628A true CN103737628A (en) | 2014-04-23 |
| CN103737628B CN103737628B (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310756042.3A Expired - Fee Related CN103737628B (en) | 2013-12-28 | 2013-12-28 | A kind of kitchen knife protecting child |
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| Country | Link |
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| CN (1) | CN103737628B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3246140A1 (en) * | 1982-04-26 | 1983-10-27 | Fiskars Manufacturing Corp., 54401 Wausau, Wis. | KNIFE SHEATH |
| JPH0617672U (en) * | 1992-05-12 | 1994-03-08 | 下村工業株式会社 | Knife sheath |
| JP2002346246A (en) * | 2001-05-22 | 2002-12-03 | Yoshiaki Kodama | Kitchen knife with sheath |
| US6493946B1 (en) * | 2000-05-26 | 2002-12-17 | Carl L. Carrillo | Knife guard |
| CN201979522U (en) * | 2011-01-08 | 2011-09-21 | 路冰璇 | Safe kitchen knife |
| CN202378068U (en) * | 2011-11-29 | 2012-08-15 | 苏红才 | Safe knife |
-
2013
- 2013-12-28 CN CN201310756042.3A patent/CN103737628B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3246140A1 (en) * | 1982-04-26 | 1983-10-27 | Fiskars Manufacturing Corp., 54401 Wausau, Wis. | KNIFE SHEATH |
| JPH0617672U (en) * | 1992-05-12 | 1994-03-08 | 下村工業株式会社 | Knife sheath |
| US6493946B1 (en) * | 2000-05-26 | 2002-12-17 | Carl L. Carrillo | Knife guard |
| JP2002346246A (en) * | 2001-05-22 | 2002-12-03 | Yoshiaki Kodama | Kitchen knife with sheath |
| CN201979522U (en) * | 2011-01-08 | 2011-09-21 | 路冰璇 | Safe kitchen knife |
| CN202378068U (en) * | 2011-11-29 | 2012-08-15 | 苏红才 | Safe knife |
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| Publication number | Publication date |
|---|---|
| CN103737628B (en) | 2016-08-10 |
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| CB03 | Change of inventor or designer information |
Inventor after: Mou Yumei Inventor after: Gu Sen Inventor after: Lu Haimei Inventor after: Shi Yanli Inventor after: Song Xiaolin Inventor before: Sheng Kangqi Inventor before: Li Luotao |
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Effective date of registration: 20170915 Address after: 253599, No. 25, Sheng Jia Cun, Mausoleum Town, Dezhou, Shandong, Lingxian County Co-patentee after: Gu Sen Patentee after: Mou Yumei Co-patentee after: Lu Haimei Co-patentee after: Shi Yanli Co-patentee after: Song Xiaolin Address before: 315020, Zhejiang, Jiangbei District, Ningbo Zhuang Bridge Street, Station Road, Nanjing Road, south side of the 3 group 1 Studio Patentee before: NINGBO JIANGBEI ZHENHE DESIGN DEVELOPMENT CO., LTD. |
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Granted publication date: 20160810 Termination date: 20171228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |