CN110609357A - MPO fiber connector unlocked by using tail sleeve - Google Patents
MPO fiber connector unlocked by using tail sleeve Download PDFInfo
- Publication number
- CN110609357A CN110609357A CN201811581782.7A CN201811581782A CN110609357A CN 110609357 A CN110609357 A CN 110609357A CN 201811581782 A CN201811581782 A CN 201811581782A CN 110609357 A CN110609357 A CN 110609357A
- Authority
- CN
- China
- Prior art keywords
- fiber connector
- rear end
- tail sleeve
- tail
- shell
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3869—Mounting ferrules to connector body, i.e. plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3898—Tools, e.g. handheld; Tuning wrenches; Jigs used with connectors, e.g. for extracting, removing or inserting in a panel, for engaging or coupling connectors, for assembling or disassembling components within the connector, for applying clips to hold two connectors together or for crimping
Abstract
The invention relates to an MPO optical fiber connector unlocked by using a tail sleeve. MPO fiber connector includes casing subassembly and tail cover, and the casing subassembly includes interior casing and shell body, is equipped with lock pin, spring in the interior casing, is fixed with the spacing seat of spring on the interior casing, and the rear end of the spacing seat of spring is equipped with cable crimping section, and the tail cover is established on cable crimping section, and the tail cover front end is connected on the shell body in order to stimulate the shell body rearward movement. According to the MPO optical fiber connector, the tail sleeve is sleeved on the cable pressing section, the front section of the tail sleeve is connected with the outer shell, when the MPO optical fiber connector needs to be unlocked, the outer shell can be driven by the tail sleeve to unlock the MPO optical fiber connector, the section of the tail sleeve is smaller than that of the outer shell, the MPO connectors close to each other also have a larger space at the tail sleeve for a hand to extend into and hold the tail sleeve for unlocking, the size of the MPO optical fiber connector is not changed greatly compared with that of the MPO optical fiber connector in the prior art, and the problem that the MPO optical fiber connector in the prior art is inconvenient to unlock is solved.
Description
Technical Field
The invention relates to an MPO optical fiber connector unlocked by using a tail sleeve.
Background
Along with the rapid development of data communication such as big data and cloud computing, the requirement on network bandwidth is increased in a blowout mode, so that higher requirements are provided for the density of an optical fiber network, and the traditional optical fiber wiring network cannot meet the development requirement. MPO series MPO optical fiber connectors have the advantages of high connection density, stable and reliable performance, small size, convenient operation, easy wiring management and the like, are meeting the connection challenges brought by the continuously increased optical fibers, and further become the direction and trend of high-density connection.
Chinese utility model patent that the bulletin number of authorizing is CN202453542U, the bulletin date of authorizing is 2012.09.26 discloses an MPO fiber connector, this MPO fiber connector includes the shell, shell and shell body, installs the lock pin subassembly in the shell, and the lock pin subassembly includes the lock pin, and MPO fiber connector is still including keeping the seat, keeps the seat spacing seat of spring promptly, keeps holding the seat and has contained the spring, and the spring leans on the lock pin subassembly one end to with the reliable maintenance of lock pin subassembly in the shell. The one end that keeps away from the spring of seat is provided with helicitic texture, and the seat is connected with the joint ring through helicitic texture, and the joint ring is cable crimping section promptly, and the protection tail cover has been cup jointed in the outside of the joint ring other end. Because the protection tail sleeve is sleeved on the combination ring, the protection tail sleeve is easy to fall off from the combination ring when the tension force is large, and therefore the shell needs to be pulled backwards to unlock the MPO optical fiber connector. However, as the connection density increases and the size of the chassis and the cabinet is reduced, the space for the connector is smaller and smaller. When the traditional MPO connector is used for high-density wiring, due to the fact that space is narrow, the MPO connectors can be abutted closely, fingers can hardly extend to two sides of the outer shell, and therefore the MPO connector is very difficult to take out and disassemble.
Chinese patent application publication No. CN105929490A, application publication No. 2016.09.07, discloses a connector remover, which includes a joint portion for combining with a connector and a force application member connected with the joint portion, the joint portion is a C-shaped positioning sleeve with an opening, the positioning sleeve includes a top wall extending in the left-right direction for matching with the top surface of a connector housing, left and right side walls for matching with the left and right side surfaces of the connector housing, a positioning hole in insertion fit with a boss on a connector housing is provided on the top wall, and the connector remover and the connector housing are relatively fixed by the positioning hole. When the connector needs to be unlocked, the connector can be removed by pulling the force application part to drive the connector shell. But set up the handle of unblock and can lead to spare part to increase, also can occupation space simultaneously, cause inconvenience for cable maintenance, grafting. In conclusion, the prior art has the problem that the MPO optical fiber connector is inconvenient to unlock.
Disclosure of Invention
The invention aims to provide an MPO optical fiber connector unlocked by using a tail sleeve, which is used for solving the problem that the MPO optical fiber connector in the prior art is inconvenient to take and disassemble.
In order to achieve the purpose, the technical scheme of the invention is as follows:
utilize MPO fiber connector of tail cover unblock, including casing subassembly and tail cover, casing subassembly includes interior casing and front and back activity ground cover establish the shell body on interior casing, is equipped with the lock pin in the interior casing, is used for pushing up the spring of lock pin forward, is fixed with on the interior casing to be used for carrying out spacing spring spacing seat to the spring, and the rear end of the spacing seat of spring is equipped with cable crimping section, its characterized in that: the tail sleeve is movably sleeved on the cable crimping section at the rear end of the limiting seat in a front-back manner; the front end of the tail sleeve is connected to the outer shell to pull the outer shell to move backwards.
The invention has the beneficial effects that: according to the MPO optical fiber connector, the tail sleeve is movably sleeved on the cable pressing section at the rear end of the limiting seat in a front-back mode, the front section of the tail sleeve is connected with the outer shell, when the MPO optical fiber connector needs to be unlocked, the outer shell can be driven by the tail sleeve to realize unlocking of the MPO optical fiber connector, the clamping outer shell does not need to be unlocked in the back direction even in use, and the section of the tail sleeve is smaller than that of the outer shell, so that the MPO optical fiber connector close to the tail sleeve has a large space for a hand to stretch into the tail sleeve to unlock. The MPO optical fiber connector does not need to be provided with other parts, only needs to improve the tail sleeve and the outer shell, has small volume change compared with the MPO optical fiber connector in the prior art, and solves the problem of inconvenient unlocking of the MPO optical fiber connector in the prior art.
Furthermore, in order to assemble the MPO optical fiber connector, the front section of the tail sleeve is connected to the outer shell through a buckle.
Further, in order to facilitate the cooperation of the tail sleeve and the outer shell, a radial space is arranged between the rear part of the outer shell and the rear part of the inner shell, the tail sleeve is provided with a plug-in part which is used for being inserted along the front and rear direction, and the spring limiting seat is avoided from the front and rear direction at the interval for the plug-in part to be inserted into the radial space, the plug-in part is provided with a clamping protrusion, and the side wall at the rear end of the outer shell is provided with a clamping concave part which is matched with the clamping protrusion.
Further, the spring stopper includes a base portion connected to the cable crimping section, the base portion is integrally inserted into the rear end opening of the inner cavity, and a rear end surface of the base portion is located near a rear end surface of the inner housing in the front-rear direction so as to avoid the gap.
Further, in order to reduce the volume of the MPO optical fiber connector, at least one side opening edge of the rear end opening of the inner shell is provided with a chamfer to form a flaring structure, the rear end of the base body part is provided with a flaring adapting section, the flaring adapting section is provided with an inclined side surface adapted with the flaring part, and the rear end surface of the flaring adapting section is positioned near the rear end surface of the inner shell in the axial direction of the shell assembly.
Further, the rear end face of the base body portion is flush with the rear end face of the inner shell, and the rear end opening of the concave inner cavity or the rear end opening of the convex inner cavity is not more than 5 mm.
Further, for the convenience of installing the tail sleeve, the front end of the tail sleeve is provided with a convex arm extending to the front, a clamping protrusion is arranged on the convex arm, and a clamping concave part matched with the clamping protrusion in a clamping mode is arranged on the side wall of the rear end of the outer shell.
Furthermore, in order to facilitate the arrangement of the clamping concave part, the clamping concave part is formed by a clamping hole on the outer shell.
Further, for the connection is more firm, the tail cover has the insertion section that inserts in the inner chamber of interior casing, and it is protruding to be equipped with the joint on the insertion section, is equipped with on the lateral wall of interior casing to be used for dodging the bellied mouth of dodging of joint, the joint is protruding to be stretched out dodge the mouth, be equipped with on the lateral wall of shell body rear end with the protruding buckle complex joint concave part of joint.
Drawings
FIG. 1 is an exploded view of an MPO fiber optic connector according to an embodiment 1 of the present invention;
FIG. 2 is a schematic view of an MPO optical fiber connector according to an embodiment 1 of the present invention;
FIG. 3 is a cross-sectional view of a specific embodiment 1 of the MPO optical fiber connector of the present invention;
FIG. 4 is a schematic view of the outer housing of an MPO fiber optic connector according to an embodiment 1 of the present invention;
FIG. 5 is a schematic view of a ferrule of an MPO optical fiber connector according to an embodiment 1 of the present invention;
FIG. 6 is a schematic view of an MPO fiber optic connector according to an embodiment 1 of the present invention before unlocking;
fig. 7 is an unlocked schematic view of an MPO optical fiber connector according to an embodiment 1 of the present invention.
Description of reference numerals: 1. an outer housing; 11. a clamping hole; 2. an inner housing; 3. inserting a core; 4. positioning seats; 5. a spring; 6. a spring limiting seat; 7. a cable crimping section; 8. a tail sleeve; 81. a convex arm; 82. clamping the bulges; 83. clamping the guide inclined plane; 84. a stop surface; 9. an adapter; 91. and a locking protrusion.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 and 3, the MPO optical fiber connector of embodiment 1 of the present invention includes a housing assembly, which includes an inner housing 2 and an outer housing 1 movably sleeved on the inner housing 2 back and forth. Be equipped with lock pin 3, positioning seat 4 and be used for pushing up spring 5 of positioning seat 4 forward in interior casing 2, be fixed with on the interior casing 2 and be used for carrying out spacing spring spacing seat 6 to spring 5, the rear end of the spacing seat 6 of spring is equipped with threaded connection and has cable crimping section 7, is equipped with tail cover 8 behind cable crimping section 7. In order to make staff unblock MPO fiber connector more convenient, couple together the anterior segment of tail cover 8 and the rear end of shell body 1 in this embodiment, like this when the unblock, only need have the tail cover 8 in great space around through just can with MPO fiber connector unblock, the unblock mode is simple and convenient.
As shown in fig. 2, in order to facilitate assembling the pipeline connector and enable the outer housing 1 and the tail sleeve 8 to be firmly connected, the tail sleeve 8 and the outer housing 1 in this embodiment are connected together by a snap, and the outer housing 1 and the tail sleeve 8 connected by the snap do not need other tools and steps during assembling, and only the outer housing 1 and the tail sleeve 8 need to be inserted and matched.
Specifically, as shown in fig. 2, a gap is formed between the rear portion of the outer shell 1 and the rear portion of the inner shell 2 in this embodiment, as shown in fig. 5, two protruding arms 81 extending forward are arranged at the front section of the tail sleeve 8, the two protruding arms 81 are arranged in parallel, and the protruding arms 81 are inserted into the gap. Convex arm 81 is provided with a clamping bulge 82 which faces away from the axis of tail sleeve 8, and the side wall of the rear end of outer shell 1 is provided with a clamping concave part which is matched with clamping bulge 82 in a buckling manner.
As shown in fig. 1 and 3, in order to facilitate the insertion of the protruding arm 81 into the space, the spring seat 6 in this embodiment is partially modified, and the spring seat 6 includes a base portion connected to the cable crimping section 7, and the base portion in this embodiment is integrally inserted into the rear end opening of the internal cavity and the rear end surface of the base portion is substantially flush with the rear end surface of the inner housing 2 to avoid the space. And the left and right side mouths of the opening at the rear end of the inner shell 2 are provided with chamfers to form a flaring structure, the rear end of the base body part is provided with a flaring adaptation section, the flaring adaptation section is provided with an inclined side face adapted to the flaring part, and the rear end face of the flaring adaptation section is positioned near the rear end face of the inner shell 2 in the axial direction of the shell assembly. Since the side wall of the spring seat 6 in the vertical direction is a plane, the insertion of the protruding arm 81 into the gap is not blocked in the vertical direction. Of course, in other embodiments where the rear end of the base portion of the spring seat 6 is provided with a boss along the circumferential direction, the boss may be provided with a notch for the protruding arm 81 to protrude into the gap.
The clamping protrusion 82 is provided with a clamping guide inclined surface 83 facing the front and a stopping surface 84 facing the rear, when the convex arm 81 is inserted into the gap, the convex arm 81 is deformed under the guide of the clamping guide inclined surface 83, when the clamping protrusion 82 on the convex arm 81 extends into the clamping concave part, the convex arm 81 recovers, the clamping protrusion 82 extends into the clamping concave part, the stopping surface 84 on the clamping protrusion 82 is in stopping fit with the side wall of the clamping concave part, the clamping protrusion 82 is prevented from being separated from the clamping concave part, and therefore the clamping of the tail sleeve 8 and the shell component is realized.
As shown in fig. 4, further, in order to facilitate the setting of the clamping concave portion, the clamping concave portion in the embodiment is formed by the clamping hole 11 on the outer shell 1, the clamping hole 11 is directly set simply and conveniently, and when the MPO optical fiber connector needs to be disassembled, the clamping protrusion 82 is conveniently separated from the clamping hole 11, so that the disassembling of the pipeline connector is simpler.
During the unblock, be equipped with locking structure 91 on the adapter 9 of pegging graft with MPO fiber connector, locking structure 91 includes protruding with the 2 locking complex locking of interior casing, when needs unblock MPO fiber connector, outwards extracts shell body 1 through tail cover 8, and the locking is protruding to pop out to the left and right sides under the guide on inclined plane after shell body 1 outwards extracts, accomplishes the unblock.
In embodiment 2 of the MPO optical fiber connector, in this embodiment, the tail sleeve is provided with a convex arm inserted into the inner cavity of the inner housing, the convex arm forms an insertion section, the convex arm is provided with a clamping protrusion facing away from the axis of the tail sleeve, the larger-area side wall of the rear end of the outer housing is provided with a clamping concave part matched with the clamping protrusion in a buckling manner, in order to enable the clamping protrusion to be smoothly matched with the clamping concave part, the inner housing is provided with an avoidance hole for the clamping protrusion to pass through, and the clamping protrusion extends into the clamping hole from the inner cavity of the inner housing through the avoidance hole to be matched with the clamping hole.
In other embodiments, in addition to the method of arranging the convex arm on the tail sleeve to be matched with the outer shell, the outer shell 1 may also be provided with an extension part extending backwards, the extension part is provided with a clamping protrusion, and the tail sleeve is provided with a clamping concave part to realize the connection between the outer shell and the tail sleeve; of course, a clamping concave part can be arranged on the extension part, and a clamping bulge is arranged on the tail sleeve to realize the connection of the outer shell and the tail sleeve.
In other embodiments, two connecting parts perpendicular to the axis of the tail sleeve can be arranged on the tail sleeve, and a convex arm extending forwards is arranged on the connecting parts, so that the two convex arms can be provided with opposite clamping protrusions, and the two clamping protrusions are matched with the clamping concave part on the outer shell on the outer side of the outer shell; when connecting portion set up longer under the circumstances, also can set up the joint concave part on the less lateral wall of nep on the shell body, the convex arm cooperates with the less lateral wall of area in the outside, if two joint arch sets up to the back, the convex arm also can cooperate with the less lateral wall of area in the inboard.
Claims (9)
1. Utilize MPO fiber connector of tail cover unblock, including interior casing, front and back activity ground cover establish the shell body on interior casing and be used for avoiding the excessive tail cover of buckling of optic fibre, interior casing has the inner chamber, is equipped with the lock pin in the inner chamber and is used for pushing away the spring of lock pin forward, and the rear portion of interior casing is fixed with and is used for carrying out spacing spring spacing seat to the spring, and the rear end of the spacing seat of spring is equipped with cable crimping section, its characterized in that: the tail sleeve is movably sleeved on the cable crimping section at the rear end of the limiting seat in a front-back manner; the front end of the tail sleeve is connected to the outer shell to pull the outer shell to move backwards.
2. The MPO fiber connector unlocked by using the tail sleeve as claimed in claim 1, wherein: the front section of the tail sleeve is connected to the outer shell through a buckle.
3. The MPO fiber connector unlocked by using the tail sleeve as claimed in claim 2, wherein: have radial interval between the rear portion of shell body and the rear portion of interior casing, be equipped with on the tail cover and be used for inserting along the fore-and-aft direction insert portion in the radial interval, spacing seat of spring is avoided in the front and back side the interval is in order to supply the insert portion inserts in the radial interval, it is protruding to be equipped with the joint in the insert portion, is equipped with on the lateral wall of shell body rear end with the protruding buckle complex joint concave part of joint.
4. The MPO fiber connector unlocked by using the tail sleeve as claimed in claim 3, wherein: the spring limiting seat comprises a base body part connected with the cable crimping section, the base body part is integrally inserted into the rear end opening of the inner cavity, and the rear end face of the base body part is located near the rear end face of the inner shell in the front-rear direction so as to avoid the interval.
5. The MPO fiber connector unlocked by using the tail sleeve as claimed in claim 4, wherein: at least one side opening edge of the rear end opening of the inner shell is provided with a chamfer to form a flaring structure, the rear end of the base body part is provided with a flaring adaptation section, the flaring adaptation section is provided with an inclined side surface adapted to the flaring part, and the rear end surface of the flaring adaptation section is positioned near the rear end surface of the inner shell in the axial direction of the shell assembly.
6. The MPO fiber connector unlocked by using the tail sleeve as claimed in claim 5, wherein: the rear end face of the base body part is flush with the rear end face of the inner shell, and the rear end opening of the concave inner cavity or the rear end opening of the convex inner cavity is not more than 5 mm.
7. The MPO fiber connector unlocked by using the tail sleeve as claimed in claim 3, wherein: the front end of the tail sleeve is provided with a convex arm extending forwards, and the insertion part is formed by the convex arm.
8. The MPO fiber connector unlocked by using the tail sleeve as claimed in claim 3, wherein: the clamping concave part is formed by a clamping hole on the outer shell.
9. The MPO fiber connector unlocked by using the tail sleeve as claimed in claim 3, wherein: the tail cover has the insertion section that inserts in the inner chamber of interior casing, and it is protruding to be equipped with the joint in the insertion section, is equipped with on the lateral wall of interior casing to be used for dodging the bellied mouth of dodging of joint, the joint is protruding to be stretched out dodge the mouth, be equipped with on the lateral wall of shell body rear end with the protruding buckle complex joint concave part of joint.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163380 | 2018-09-30 | ||
| CN2018111633805 | 2018-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110609357A true CN110609357A (en) | 2019-12-24 |
Family
ID=68889027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811581782.7A Pending CN110609357A (en) | 2018-09-30 | 2018-12-24 | MPO fiber connector unlocked by using tail sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110609357A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092321A (en) * | 2020-01-20 | 2020-05-01 | 中航光电科技股份有限公司 | Connector and plug thereof |
| CN111708121A (en) * | 2020-06-10 | 2020-09-25 | 深圳市特发信息光网科技股份有限公司 | Multi-core optical fiber connector |
| CN113238326A (en) * | 2021-05-12 | 2021-08-10 | 深圳意创通讯科技有限公司 | Straight-through multi-core optical fiber connector |
| CN113296193A (en) * | 2020-02-21 | 2021-08-24 | 立佳兴业股份有限公司 | Optical connector and optical connector module thereof |
| WO2022052587A1 (en) * | 2020-09-09 | 2022-03-17 | 烽火通信科技股份有限公司 | Connector and optical fiber connection assembly |
| CN114460695A (en) * | 2022-01-25 | 2022-05-10 | 华为技术有限公司 | Optical fiber connector and optical fiber connector assembly |
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| CN102385112A (en) * | 2010-09-06 | 2012-03-21 | 株式会社藤仓 | Optical connector and insertion and removal method of optical connector |
| US20130101258A1 (en) * | 2010-06-23 | 2013-04-25 | Yazaki Corporation | Optical connector |
| CN106687839A (en) * | 2014-09-12 | 2017-05-17 | Sei光学前沿株式会社 | Optical connector |
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| US20040156593A1 (en) * | 2002-03-01 | 2004-08-12 | Fci Americas Technology, Inc. | Optical fiber connectors |
| US20130101258A1 (en) * | 2010-06-23 | 2013-04-25 | Yazaki Corporation | Optical connector |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092321A (en) * | 2020-01-20 | 2020-05-01 | 中航光电科技股份有限公司 | Connector and plug thereof |
| CN111092321B (en) * | 2020-01-20 | 2021-06-04 | 中航光电科技股份有限公司 | Connector and plug thereof |
| CN113296193A (en) * | 2020-02-21 | 2021-08-24 | 立佳兴业股份有限公司 | Optical connector and optical connector module thereof |
| CN111708121A (en) * | 2020-06-10 | 2020-09-25 | 深圳市特发信息光网科技股份有限公司 | Multi-core optical fiber connector |
| WO2022052587A1 (en) * | 2020-09-09 | 2022-03-17 | 烽火通信科技股份有限公司 | Connector and optical fiber connection assembly |
| CN113238326A (en) * | 2021-05-12 | 2021-08-10 | 深圳意创通讯科技有限公司 | Straight-through multi-core optical fiber connector |
| CN113238326B (en) * | 2021-05-12 | 2022-03-29 | 深圳意创通讯科技有限公司 | Straight-through multi-core optical fiber connector |
| CN114460695A (en) * | 2022-01-25 | 2022-05-10 | 华为技术有限公司 | Optical fiber connector and optical fiber connector assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191224 |