CN109244705A - Network security connectivity kit - Google Patents
Network security connectivity kit Download PDFInfo
- Publication number
- CN109244705A CN109244705A CN201811177367.5A CN201811177367A CN109244705A CN 109244705 A CN109244705 A CN 109244705A CN 201811177367 A CN201811177367 A CN 201811177367A CN 109244705 A CN109244705 A CN 109244705A
- Authority
- CN
- China
- Prior art keywords
- limit plate
- sliding groove
- network interface
- width
- safety
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/04—Connectors or connections adapted for particular applications for network, e.g. LAN connectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/06—Connectors or connections adapted for particular applications for computer periphery
Landscapes
- Emergency Lowering Means (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
It is the misconnection in order to solve the problems, such as security network and internet is likely to occur the present invention relates to field of communication technology.Network security connectivity kit includes safety joint and Safety shell, safety joint includes adapter pin module and telescopic device, telescopic device includes spring element, first sliding part and the second sliding part, Safety shell includes the first limit plate, second limit plate, third limit plate, first block piece and the second block piece, first sliding part can be extend into the first sliding groove, second sliding part can also be extend into the second sliding groove, first block piece and the second block piece can be extend into the accommodating space of network interface, the distance between outer surface of the outer surface of first limit plate and the second limit plate is greater than the width of the accommodating space of network interface, the maximum width of safety joint is greater than the width of the accommodating space of network interface.This kind of network security connectivity kit can be used as the attachment device of the security networks such as public security net.
Description
The application be the applying date be on May 8th, 2017, application No. is 201710315289.X, it is entitled " network peace
The divisional application of the patent application of full connectivity kit ".
Technical field
The present invention relates to field of communication technology, in particular to a kind of network security connectivity kit.
Background technique
In the prior art, computer is connected to internet, it is sometimes desirable to connect by cable and the network on computer
Mouth is attached, and wherein the connecting pin of cable is provided with network joint, can by the way that network joint and network interface are cooperatively connected
To carry out the communication between computer and internet.
Currently, the network interface for being connected to the computer of the security networks such as public security net generallys use RJ45 standard, for connecting
It is connected to network joint set by the connecting pin of the cable of internet and the cable for being connected to the security networks such as public security net
Network joint set by connecting pin also generallys use RJ45 standard, in this way, being connected to set by the cable connecting pin of internet
The network joint of standard be easy on network interface by misconnection to the computer used in the security networks such as public security net, together
Sample is connected to the network joint of standard set by the cable connecting pin of public security net and is also easy by misconnection to using on the internet
Computer network interface on, the connections of these mistakes are easy to cause the leakage of confidential information.Therefore, public security net how is prevented
Etc. security networks and internet by the misconnection between network interface and network joint be the technical issues that need to address.
Summary of the invention
The invention aims to provide a kind of network security connectivity kit, to prevent the security networks such as public security net or in public affairs
The connection of mistake occurs for the computer and internet that use in the security networks such as peace net or the computer used on the internet, from
And ensure the safety of the security networks such as public security net.
In order to achieve the above object, the technical solution adopted by the present invention are as follows: a kind of network security connectivity kit, feature exist
In the Safety shell that, the network security connectivity kit includes safety joint and can be fixed on network interface, safety joint
Including adapter pin module and for changing the telescopic device of safety joint width, telescopic device includes spring element, the first cunning
Moving part and the second sliding part, Safety shell include the first limit plate for being at intervals arranged with the first sliding groove and
The second limit plate with the second sliding groove, the third limit plate being separately connected with the first limit plate and the second limit plate, with the
First block piece of one limit plate connection and the second block piece for being connect with the second limit plate, the depth of the first sliding groove from
The front end of the rear end of first limit plate to the first limit plate gradually increases, and the depth of the second sliding groove is from the rear end of the second limit plate
It is also gradually increased to the front end of the second limit plate, the first sliding part can be extend into the first sliding groove, and the second sliding part can be with
It extending into the second sliding groove, the first block piece and the second block piece can be extend into the accommodating space of network interface, and first
The distance between outer surface of the outer surface of limit plate and the second limit plate is greater than the width of the accommodating space of network interface,
The maximum width of safety joint is greater than the width of the accommodating space of network interface and less than the depth capacity of the first sliding groove, the
The sum of the depth capacity of two sliding grooves and the distance between the first limit plate and the second limit plate this three, the minimum of safety joint
Width of the width no more than the accommodating space of network interface.
In the inventive solutions, the width of safety joint can be adjusted by telescopic device, the width of safety joint
Degree can change in minimum widith between maximum width.The network of Safety shell is provided with when safety joint is inserted into from the outside
In interface procedure, telescopic device is under pressure during being in contact with the first limit plate and the second limit plate and is shunk, and makes
The width of safety joint gradually becomes smaller, and can extend into the accommodating space of network interface, and realization is electrically connected with network interface
It connects；For being not provided with the network interface of Safety shell, when safety joint is inserted into network interface process from the outside, the safety
The telescopic device of connector makes the width of safety joint become smaller there is no the active force by Safety shell, without decreased width
The width of safety joint be greater than the width of network interface accommodating space, such safety joint can not just be inserted into and be not provided with peace
On the network interface of full shell and it is electrically connected.
Since the network that Safety shell of the invention can be fixed on the computer used in the security networks such as public security net connects
On mouth, standard network connector set by the connecting pin for the cable being connected on internet can be prevented to be inserted into network interface
It realizes in accommodating space and is electrically connected with the network interface, be beneficial to prevent the computer being connected in the security networks such as public security net
Safe telltale event occurs；In addition, the safety joint in the present invention can be used as the connection of the cable of the security networks such as public security net
Dedicated network connector used in holding, it can be with the computer that uses in the security networks such as the public security net that is provided with Safety shell
Network interface be electrically connected, but cannot be carried out with the network interface of the computer on the internet for being not provided with Safety shell
Electrical connection, so as to prevent the leakage of confidential information.
Preferably, the width phase of the distance between the first limit plate and the second limit plate and the accommodating space of network interface
Deng.In general, the depth of the first sliding groove gradually increases to maximum from 0 from the rear end of the first limit plate to the front end of the first limit plate
Value, the depth of the second sliding groove gradually increase to maximum value from 0 from the rear end of the second limit plate to the front end of the second limit plate.The
The depth capacity of one sliding groove and the depth capacity of the second sliding groove are preferably all located between 1.5 millimeters to 2.5 millimeters.
In a preferred embodiment, safety joint includes the leaded molded connection shell for being defined and protecting of butt joint,
Telescopic device is connected with shell is connect.In another preferred embodiment, safety joint includes the leaded molded progress of butt joint
The connection shell for limiting and protecting, connection shell includes that can accommodate the cunning that the first sliding part and the second sliding part are slided
Road.
Block piece is usually rodlike.The shape of the cross section of block piece can be triangle, be also possible to other shapes.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of network security connectivity kit of the invention.
Fig. 2 is the top view of the Safety shell of network security connectivity kit shown in FIG. 1.
Fig. 3 is the sectional view of the amplification of the safety joint intercepted along the line A-A in Fig. 1.
Fig. 4 is the stereoscopic schematic diagram of network security connectivity kit shown in FIG. 1.
Fig. 5 is the structural schematic diagram of the network interface of standard.
Specific embodiment
Fig. 1 is the structural schematic diagram of network security connectivity kit of the invention, and Fig. 2 is network security connection shown in FIG. 1
The top view of the Safety shell of external member, Fig. 3 are the sectional views of the amplification of the safety joint intercepted along the line A-A in Fig. 1, figure
4 be the stereoscopic schematic diagram of network security connectivity kit shown in FIG. 1, and Fig. 5 illustrates the structure of the network interface of standard.From Fig. 1
Into Fig. 5, it can be seen that, network security connectivity kit includes Safety shell 1 and safety joint 2, and Safety shell 1 includes being separated by one
The first limit plate 3 with the first sliding groove 30 and the second limit plate 4 with the second sliding groove 20 of fixed distance setting and
Third limit plate 5 that first limit plate 3 and the second limit plate 4 are separately connected, the first block piece being connect with the first limit plate 3
61 and the second block piece 62 for being connect with the second limit plate 4.Safety shell 1 is preferably formed by plastics.
In the present embodiment, Safety shell 1 can be fixed on network interface 6, and safety joint 2 includes adapter pin mould
Connection shell 9, buckle 10 and the stretching for changing safety joint width that block 8, butt joint leaded molded 8 are defined and protect
Compression apparatus 12, telescopic device 12 include that spring element 17, the first sliding part 121 and the second sliding part 122, spring element 17 are located at
Between first sliding part 121 and the second sliding part 122, the first sliding part 121 can be extend into the first sliding groove 30, and second is sliding
Moving part 122 can be extend into the second sliding groove 20, and the depth of the first sliding groove 30 is from the rear end 22 of the first limit plate 3 to front end
21 gradually increase, and the depth of the second sliding groove 20 is also gradually increased from the rear end 24 of the second limit plate 4 to front end 23, the first sliding
The depth of slot 30 gradually increases to 2 millimeters from 0 from the rear end 22 of the first limit plate 3 to front end 21, the depth of the second sliding groove 20
Also gradually increase to 2 millimeters from 0 from the rear end 24 of the second limit plate 4 to front end 23.
In the present embodiment, the distance between the first limit plate 3 and the second limit plate 4 D3 are 11.5 millimeters, the first sliding
The depth capacity of slot 30 and the depth capacity of the second sliding groove 20 are all 2 millimeters, in this way, the depth capacity of the first sliding groove 30,
The sum of the depth capacity of second sliding groove 20 and the distance between the first limit plate and the second limit plate D3 this three D2 are 15.5
Millimeter.
The network interface 6 shown in Fig. 5 is the network interface using RJ45 standard, set network interface on computer
Generally use the network interface of RJ45 standard.In the present embodiment, the minimum widith D4 of safety joint 2 is 11.3 millimeters, safety
The maximum width D5 of connector 2 is 13.3 millimeters, and the width D 1 and minimum constructive height D8 of the accommodating space 7 of network interface 6 are respectively
11.8 millimeters or so and 6.9 millimeters or so.
Obviously, the maximum width D5 of safety joint 2 is greater than the width D 1 of the accommodating space 7 of network interface, and less than the
The depth capacity of one sliding groove 30, the depth capacity of the second sliding groove 20 and the distance between the first limit plate and the second limit plate
The sum of this three of D3 D2；The minimum widith D4 of safety joint 2 is less than the width D 1 of the accommodating space 7 of network interface 6.
In the present embodiment, the first limit plate 3 and the second limit plate 4 are separately fixed on third limit plate 5, the first limit
The outer surface 63 of position plate 3 and the distance between outer surface 64 D6 of the second limit plate 4 are about 15.5 millimeters, distance D6 ratio
The width D 1 of the accommodating space 7 of network interface 6 is big, and therefore, the first limit plate 3 and the second limit plate 4 of Safety shell 1 cannot
It extend into the accommodating space 7 of network interface 6.
In the present embodiment, it is fixed that there are two the first block piece 61 and the first limit plates 3, there are two the second block piece 62 and
Second limit plate 4 is fixed, and the shape of the cross section of the first block piece 61 and the second block piece 62 is all triangle, two first resistances
Block piece 61 and two the second block pieces 62 are formed by Outside Dimensions its height D9 and width D 7 is respectively 6.6 millimeters and 11.5 millis
Rice, and the minimum constructive height D8 of the accommodating space 7 of network interface 6 and width D 1 are respectively 6.9 millimeters or so and 11.8 millimeters or so,
Therefore, two the first block pieces 61 and two the second block pieces 62 can be extend into the accommodating space 7 of network interface 6.
It can be clearly seen that in Fig. 3, telescopic device 12 is sliding including spring element 17, the first sliding part 121 and second
Moving part 122, connection shell 9 include that can accommodate the slideway 18 that the first sliding part 121 and the second sliding part 122 are slided.This
Sample spring element 17 can carry out stretching motion under the effect of external force, make the position of the first sliding part 121 and the second sliding part 122
It sets and moves, to adjust the width of safety joint 2, make the width of safety joint 2 in minimum widith D4 and maximum width D5
Between change.
During safety joint 2 is inserted into the network interface 6 for being provided with Safety shell 1 from the outside, telescopic device 12 exists
It is under pressure and shrinks during being in contact with the first limit plate 3 and the second limit plate 4, make the width of safety joint 2 gradually
Become smaller, reaching can extend into the accommodating space 7 of network interface 6, be electrically connected with realizing with network interface 6；For not having
There is the network interface 6 of setting Safety shell 1, during safety joint 2 is inserted into network interface 6 from the outside, due to connecing safely
First 2 telescopic device 12 makes the width of safety joint 2 become smaller there is no the active force by Safety shell 1, without becoming smaller
The safety joint of width is in maximum width D5 state, and maximum width D5 is greater than the width D 1 of 6 accommodating space 7 of network interface,
Safety joint 2 can not just be inserted on the network interface for being not provided with Safety shell and be electrically connected in this way.
While there has been shown and described that it is presently considered to be preferred the embodiment of the present invention, but it will be apparent that this field
Technical staff can carry out various changes and improvement, without departing from model of the invention as defined in appended claims
It encloses.
Claims (4)
1. a kind of network security connectivity kit, which is characterized in that the network security connectivity kit includes safety joint and can be with
The Safety shell being fixed on network interface, safety joint include adapter pin module and stretching for changing safety joint width
Compression apparatus, telescopic device include spring element, the first sliding part and the second sliding part, and Safety shell includes at intervals
The first limit plate with the first sliding groove and the second limit plate with the second sliding groove that are arranged, with the first limit plate and the
Third limit plate that two limit plates are separately connected, the first block piece being connect with the first limit plate and connect with the second limit plate
The second block piece connect, the depth of the first sliding groove are gradually increased from the rear end of the first limit plate to the front end of the first limit plate,
The depth of second sliding groove is also gradually increased from the rear end of the second limit plate to the front end of the second limit plate, and the first sliding part can be with
It extend into the first sliding groove, the second sliding part can be extend into the second sliding groove, and the first block piece and the second block piece are all
It can extend into the accommodating space of network interface, between the outer surface of the first limit plate and the outer surface of the second limit plate
Distance is greater than the width of the accommodating space of network interface, and the maximum width of safety joint is greater than the width of the accommodating space of network interface
Spend and less than the depth capacity of the first sliding groove, the depth capacity of the second sliding groove and the first limit plate and the second limit plate it
Between apart from the sum of this three, the width of the minimum widith of safety joint no more than the accommodating space of network interface, wherein first
The depth of sliding groove gradually increases to 2 millimeters from 0 from the rear end of the first limit plate to front end, and the depth of the second sliding groove is from second
The rear end of limit plate to front end also gradually increases to 2 millimeters from 0.
2. a kind of network security connectivity kit as described in claim 1, which is characterized in that the first limit plate and the second limit plate
The distance between it is equal with the width of the accommodating space of network interface.
3. a kind of network security connectivity kit as described in claim 1, which is characterized in that safety joint further includes that butt joint is drawn
The connection shell that foot module is defined and protects, telescopic device are connected with shell is connect.
4. a kind of network security connectivity kit as described in claim 1, which is characterized in that safety joint further includes that butt joint is drawn
The connection shell that foot module is defined and protects, connection shell include that can accommodate the first sliding part and the progress of the second sliding part
The slideway of sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177367.5A CN109244705B (en) | 2017-05-08 | 2017-05-08 | Network security connection kit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811177367.5A CN109244705B (en) | 2017-05-08 | 2017-05-08 | Network security connection kit |
| CN201710315289.XA CN107146962B (en) | 2017-05-08 | 2017-05-08 | Network security connectivity kit |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710315289.XA Division CN107146962B (en) | 2017-05-08 | 2017-05-08 | Network security connectivity kit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109244705A true CN109244705A (en) | 2019-01-18 |
| CN109244705B CN109244705B (en) | 2020-03-27 |
Family
ID=59776865
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811177366.0A Expired - Fee Related CN109244704B (en) | 2017-05-08 | 2017-05-08 | Network security connection kit |
| CN201811177367.5A Expired - Fee Related CN109244705B (en) | 2017-05-08 | 2017-05-08 | Network security connection kit |
| CN201710315289.XA Expired - Fee Related CN107146962B (en) | 2017-05-08 | 2017-05-08 | Network security connectivity kit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811177366.0A Expired - Fee Related CN109244704B (en) | 2017-05-08 | 2017-05-08 | Network security connection kit |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710315289.XA Expired - Fee Related CN107146962B (en) | 2017-05-08 | 2017-05-08 | Network security connectivity kit |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN109244704B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879203B (en) * | 2018-08-03 | 2024-02-23 | 合肥联宝信息技术有限公司 | Interface and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1063730A1 (en) * | 1999-06-21 | 2000-12-27 | Molex Incorporated | Circuit board mounted connector assembly and method of fabricating same |
| US6435897B1 (en) * | 2000-04-10 | 2002-08-20 | Storcase Technology, Inc. | Compact PCI connector guide |
| CN201112831Y (en) * | 2006-12-05 | 2008-09-10 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN204597098U (en) * | 2015-04-30 | 2015-08-26 | 张洁 | A kind of connector of cable |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201197016Y (en) * | 2008-05-07 | 2009-02-18 | 立讯精密工业（深圳）有限公司 | Connector with misplugging-proof function |
| CN201408881Y (en) * | 2009-05-12 | 2010-02-17 | 昆山上正电子科技有限公司 | anti-misplug rj-45 connector |
| CN105406232B (en) * | 2014-08-20 | 2018-02-02 | 富士康(昆山)电脑接插件有限公司 | RJ45 socket connectors |
| CN204464638U (en) * | 2015-03-20 | 2015-07-08 | 王林坤 | Relating computer anti-mis-insertion is reticle plug provided |
-
2017
- 2017-05-08 CN CN201811177366.0A patent/CN109244704B/en not_active Expired - Fee Related
- 2017-05-08 CN CN201811177367.5A patent/CN109244705B/en not_active Expired - Fee Related
- 2017-05-08 CN CN201710315289.XA patent/CN107146962B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1063730A1 (en) * | 1999-06-21 | 2000-12-27 | Molex Incorporated | Circuit board mounted connector assembly and method of fabricating same |
| US6435897B1 (en) * | 2000-04-10 | 2002-08-20 | Storcase Technology, Inc. | Compact PCI connector guide |
| CN201112831Y (en) * | 2006-12-05 | 2008-09-10 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN204597098U (en) * | 2015-04-30 | 2015-08-26 | 张洁 | A kind of connector of cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109244704A (en) | 2019-01-18 |
| CN109244704B (en) | 2020-03-27 |
| CN109244705B (en) | 2020-03-27 |
| CN107146962A (en) | 2017-09-08 |
| CN107146962B (en) | 2018-12-21 |
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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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 |