CN211251913U - English is supplementary to be used books press from both sides - Google Patents

English is supplementary to be used books press from both sides Download PDF

Info

Publication number
CN211251913U
CN211251913U CN201921647017.0U CN201921647017U CN211251913U CN 211251913 U CN211251913 U CN 211251913U CN 201921647017 U CN201921647017 U CN 201921647017U CN 211251913 U CN211251913 U CN 211251913U
Authority
CN
China
Prior art keywords
board
felt
book
textbook
top surface
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.)
Expired - Fee Related
Application number
CN201921647017.0U
Other languages
Chinese (zh)
Inventor
徐杰
关琦
徐洪宇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qiqihar University
Original Assignee
Qiqihar University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qiqihar University filed Critical Qiqihar University
Priority to CN201921647017.0U priority Critical patent/CN211251913U/en
Application granted granted Critical
Publication of CN211251913U publication Critical patent/CN211251913U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Drawing Aids And Blackboards (AREA)

Abstract

本实用新型公开了一种英语补习用书本夹,属于文具用品技术领域。毛毡本皮右侧书板上方黏贴有底板,底板顶部上下方设有教科书夹片,底板顶面两教科书夹片间开设有与底板右侧边连通的矩形沉槽,矩形沉槽顶面右边固定连接有限位斜块,矩形沉槽上下内壁上开设有滑槽,滑槽间插入有上下两侧带滑片的插板,插板底面开设有扣在限位斜块上的斜块限位槽,插板顶面右侧固定连接有边块,边块顶面上开设有笔槽,笔槽中部开设有手扣槽,笔槽左右内壁上设有限位夹柱,在边块左侧的插板顶面上方设有活页夹,插板上方通过活页夹固定有活页纸。该装置能够整齐的将教科书、笔记本和笔包裹并存放,方便学生携带,使用过程中,抽出插板即可进行笔记,方便学生操作。

Figure 201921647017

The utility model discloses a book holder for English tutoring, which belongs to the technical field of stationery. A bottom plate is pasted on the right side of the felt cover, and there are textbook clips on the top and bottom of the bottom plate. A rectangular sink is opened between the two textbook clips on the top surface of the bottom plate, which is connected to the right side of the bottom plate. The top surface of the rectangular sink is on the right side. Fixed connection with limited inclined blocks, sliding grooves are provided on the upper and lower inner walls of the rectangular sink, inserting boards with sliding plates on the upper and lower sides are inserted between the sliding grooves, and the bottom surface of the plugging plate is provided with inclined block limiters buckled on the limiting inclined blocks The right side of the top surface of the insert plate is fixedly connected with a side block, the top surface of the side block is provided with a pen groove, the middle of the pen groove is provided with a hand buckle groove, and the left and right inner walls of the pen groove are provided with limit clips. A binder is arranged above the top surface of the plugboard, and loose-leaf paper is fixed above the plugboard through the binder. The device can neatly wrap and store textbooks, notebooks and pens, which is convenient for students to carry.

Figure 201921647017

Description

一种英语补习用书本夹A kind of book holder for English tutoring

技术领域technical field

本实用新型涉及一种英语补习用书本夹,属于文具用品技术领域。The utility model relates to a book holder for English tutoring, which belongs to the technical field of stationery.

背景技术Background technique

学生在英语补习时需要携带教科书、笔记本和笔,三者缺一不可,日常携带起来,并不方便,若放置在背板内,书本容易发生弯折,若夹在教科书中,笔本容易脱落。目前,学生们大多都是单独携带教科书,在将笔记本和笔放入文件袋中一同携带补课的,文件袋材质柔软,且不美观,携带过程中发生掉落,会导致本笔受损,因此,发明一种方便携带书、本和笔的工具,既能方便学生们日常携带,又能节省空间,避免本笔丢失,是十分有必要的。Students need to carry textbooks, notebooks and pens during English tuition. All three are indispensable. It is inconvenient to carry them every day. . At present, most of the students carry their textbooks alone, and put their notebooks and pens in the file bag to carry the supplementary lessons together. The file bag is soft and unsightly. If it falls during carrying, it will cause damage to the pen. , It is very necessary to invent a tool that is convenient to carry books, books and pens, which can not only be convenient for students to carry on a daily basis, but also save space and avoid the loss of the pens.

实用新型内容Utility model content

为了解决上述现有技术存在的不足,本实用新型提供了一种英语补习用书本夹,能够整齐的将教科书、笔记本和笔包裹并存放,方便学生携带,携带过程中,避免书、本和笔掉落,防止书本发生弯折,掉落时保护书、本和笔受损,使用过程中,方便学生操作,布局合理,外形美观。In order to solve the above-mentioned deficiencies in the prior art, the utility model provides a book holder for English tutoring, which can neatly wrap and store textbooks, notebooks and pens, which is convenient for students to carry, and avoids books, notebooks and pens during the carrying process. Drop, prevent books from bending, protect books, notebooks and pens from being damaged when dropped. During use, it is convenient for students to operate, with reasonable layout and beautiful appearance.

本实用新型解决其技术问题所采用的技术方案是:一种英语补习用书本夹,包括毛毡本皮、毛毡裸皮、暗扣帽、暗扣座、底板、教科书夹片、插板、边块、限位夹柱、活页纸、限位斜块、滑片、长条板、U型挂钩、手拧螺丝,毛毡本皮为内部包裹有硬纸板的毛毡皮制成,硬纸板由左侧书板、右侧书板和中间板组成,板与板之间通过毛毡皮连接,在毛毡本皮左侧书板的左边设有毛毡裸皮,毛毡裸皮上设有暗扣帽,在毛毡本皮右侧书板背面设有暗扣座,在毛毡本皮右侧书板上方黏贴有底板,底板顶部上下方设有通过铆钉固定的教科书夹片,所述的教科书夹片呈U型,其开口处上翘,其夹持内壁间距离小于教科书的书皮厚度,在底板顶面两教科书夹片间开设有与底板右侧边连通的矩形沉槽,矩形沉槽顶面右边固定连接有限位斜块,底板的矩形沉槽上下内壁上开设有滑槽,滑槽间插入有上下两侧带滑片的插板,插板底面开设有扣在限位斜块上的斜块限位槽,插板顶面右侧固定连接有边块,边块顶面上开设有笔槽,笔槽中部开设有手扣槽,笔槽左右内壁上设有限位夹柱,在边块左侧的插板顶面上方设有由长条板、U型挂钩和手拧螺丝组成的活页夹,长条板顶部固定连接有数个U型挂钩,U型挂钩一端与长条板固定连接,另一端位于长条板侧壁外,在长条板顶面的左右侧均开设有通孔,长条板通过手拧螺丝穿过通孔后螺纹旋入插板固定,插板通过U型挂钩挂住活页纸上端圆孔。The technical scheme adopted by the utility model to solve the technical problem is: a book clip for English tutoring, comprising felt original leather, felt bare leather, concealed buckle cap, concealed buckle seat, bottom plate, textbook clip, insert board, and edge block , Limit clip column, loose-leaf paper, limit inclined block, slider, long strip, U-shaped hook, hand screw, the felt leather is made of felt leather wrapped with cardboard inside, and the cardboard is made of the left book It consists of a board, a right book board and a middle board. The boards are connected by a felt skin. The felt bare skin is arranged on the left side of the left book board. The felt bare skin is provided with a hidden button cap. There is a hidden button seat on the back of the right book plate of the leather, a bottom plate is pasted on the top of the right book plate of the felt leather, and there are textbook clips fixed by rivets on the top and bottom of the bottom plate, and the textbook clip is U-shaped. The opening is upturned, and the distance between the inner walls of the clamping is less than the thickness of the textbook cover. A rectangular sink is opened between the two textbook clips on the top surface of the bottom plate, which is connected to the right side of the bottom plate. For the inclined block, the upper and lower inner walls of the rectangular sink groove of the bottom plate are provided with chute, inserting boards with sliding plates on the upper and lower sides between the chute, and the bottom of the board is provided with a limit slot for the inclined block which is buckled on the limit inclined block. A side block is fixedly connected on the right side of the top surface of the insert plate, a pen groove is formed on the top surface of the side block, a hand buckle groove is formed in the middle of the pen groove, the left and right inner walls of the pen groove are provided with limit clips, and the plug board on the left side of the side block Above the top surface is a binder composed of long strips, U-shaped hooks and hand screws. Several U-shaped hooks are fixedly connected to the top of the long strips. One end of the U-shaped hooks is fixedly connected to the long strips, and the other end is located in the long strips Outside the side wall of the board, there are through holes on the left and right sides of the top surface of the long strip. The long strip is screwed through the through hole through the hand screw and then screwed into the plug board to fix, and the plug board hangs the upper end of the loose-leaf paper through the U-shaped hook. round hole.

本实用新型的有益效果是:提供了一种英语补习用书本夹,能够整齐的将教科书、笔记本和笔包裹并存放,节省空间,方便学生携带。携带过程中,避免书、本和笔掉落,防止书本发生弯折。掉落时保护书、本和笔受损,使用过程中,方便学生操作,只需抽出插板即可进行笔记使用,教科书可轻松翻开,教课书中间折页处悬空,方便书页展开,笔记本抽出后,位于教科书一侧,方便笔记,布局合理,外形美观,毛毡材料,提高档次,提高握持感,并且使用寿命高。The beneficial effects of the utility model are as follows: a book holder for English tutoring is provided, which can neatly wrap and store textbooks, notebooks and pens, saves space and is convenient for students to carry. During the carrying process, avoid books, books and pens from falling, and prevent books from being bent. It protects books, notebooks and pens from being damaged when dropped. During use, it is convenient for students to operate. They can take notes by simply pulling out the plugboard. The textbook can be easily opened. After the notebook is pulled out, it is located on the side of the textbook, which is convenient for taking notes, has a reasonable layout, beautiful appearance, felt material, improves the grade, improves the grip, and has a long service life.

附图说明Description of drawings

下面结合附图和具体实施方式对本实用新型进一步说明。The present utility model will be further described below with reference to the accompanying drawings and specific embodiments.

图1为本实用新型的结构示意图。Figure 1 is a schematic structural diagram of the utility model.

图2为本实用新型安装教科书后的结构示意图。FIG. 2 is a schematic structural diagram of the utility model after the textbook is installed.

图3为本实用新型的结构示意图。FIG. 3 is a schematic structural diagram of the utility model.

图4为本实用新型安装打开的教科书的结构示意图。FIG. 4 is a schematic structural diagram of an installed and opened textbook of the present invention.

图5为本实用新型安装打开的教科书的局部结构示意图。FIG. 5 is a schematic diagram of the partial structure of the installed and opened textbook of the present invention.

图6为本实用新型本皮结构示意图。Figure 6 is a schematic diagram of the structure of the present invention.

图7为本实用新型的局部结构示意图。7 is a schematic diagram of a partial structure of the present invention.

图8为本实用新型底板结构示意图。FIG. 8 is a schematic diagram of the structure of the base plate of the present invention.

图9为本实用新型的部分结构示意图。FIG. 9 is a partial structural schematic diagram of the present invention.

图10为本实用新型插板结构示意图。FIG. 10 is a schematic diagram of the structure of the plug-in board of the present invention.

图11为本实用新型插板结构示意图。Figure 11 is a schematic diagram of the structure of the plug-in board of the present invention.

图12为本实用新型活页夹的结构示意图。FIG. 12 is a schematic structural diagram of the binder of the present invention.

图中标号:Labels in the figure:

1、毛毡本皮,2、毛毡裸皮,3、暗扣帽,4、暗扣座,5、底板,6、教科书夹片,7、插板,8、边块,9、笔槽,10、手扣槽,11、限位夹柱,12、活页纸,13、活页夹,14、教科书,15、矩形沉槽,16、限位斜块,17、滑槽,18、滑片,19、斜块限位槽,20、长条板,21、U型挂钩,22、通孔,22、手拧螺丝。1. Felt leather, 2. Felt bare leather, 3. Concealed cap, 4. Concealed seat, 5. Bottom plate, 6. Textbook clip, 7. Insert plate, 8. Side block, 9. Pen slot, 10 , Hand buckle slot, 11, Limit clip column, 12, loose-leaf paper, 13, binder, 14, textbook, 15, rectangular sink, 16, limit inclined block, 17, chute, 18, slide, 19 , Oblique block limit slot, 20, long strip, 21, U-shaped hook, 22, through hole, 22, hand screw.

具体实施方式Detailed ways

如图1-12所示,一种英语补习用书本夹,由毛毡本皮1、毛毡裸皮2、暗扣帽3、暗扣座4和抽拉本笔存储板组成。As shown in Figure 1-12, a book holder for English tutoring is composed of a felt original skin 1, a felt bare skin 2, a concealed buckle cap 3, a concealed buckle seat 4 and a pull-out pen storage board.

毛毡本皮1为内部包裹有硬纸板的毛毡皮制成,硬纸板由左侧书板、右侧书板和中间板组成,板与板之间通过毛毡皮连接,在毛毡本皮1左侧书板的左边设有毛毡裸皮2,毛毡裸皮2上设有暗扣帽3,在毛毡本皮1右侧书板背面设有暗扣座4,所述的毛毡本皮1的书板尺寸大于教科书14尺寸,在毛毡本皮1右侧书板上方黏贴有抽拉本笔存储板。The felt skin 1 is made of felt skin wrapped with cardboard inside. The cardboard is composed of a left book board, a right book board and a middle board. The boards are connected by a felt skin, on the left side of the felt skin 1 The left side of the book board is provided with a bare felt leather 2, the bare felt leather 2 is provided with a hidden button cap 3, and the back of the book board on the right side of the felt leather leather 1 is provided with a hidden button seat 4. The size is larger than the size of textbook 14, and a pull-out pen storage board is pasted on the right side of the felt cover 1.

其特征在于:所述的抽拉本笔存储板由底板5、教科书夹片6、插板7、边块8、限位夹柱11、活页纸12、活页夹13、限位斜块16和滑片18组成,底板5尺寸大于教科书14尺寸,底板5位于毛毡本皮1右侧书板的右侧,底板5顶部上下方设有通过铆钉固定的教科书夹片6,所述的教科书夹片6呈U型,其开口处上翘,其夹持内壁间距离小于教科书14的书皮厚度,教科书14通过教科书夹片6夹住其底部书皮上下边而被固定在底板5上方,且教科书14的折页处位于底板5左侧,处于悬空状态,确保翻开教科书14时,其两侧书页能展开至纯平或广角面,避免教科书14自动扣合。It is characterized in that: the storage board for the pull-out pen is composed of a bottom plate 5, a textbook clip 6, an insert plate 7, a side block 8, a limit clip column 11, loose-leaf paper 12, a binder 13, a limit inclined block 16 and The size of the bottom plate 5 is larger than the size of the textbook 14. The bottom plate 5 is located on the right side of the right book plate of the felt cover 1. The top and bottom of the bottom plate 5 are provided with a textbook clip 6 fixed by rivets. The textbook clip 6 is U-shaped, its opening is upturned, and the distance between its clamping inner walls is smaller than the thickness of the book cover of the textbook 14. The textbook 14 is fixed on the top of the bottom plate 5 by clamping the upper and lower edges of the bottom cover of the textbook 14 by the textbook clip 6. The folded page is located on the left side of the bottom plate 5 and is in a suspended state, ensuring that when the textbook 14 is opened, the pages on both sides can be unfolded to a flat or wide-angle surface, preventing the textbook 14 from being automatically buckled.

在底板5顶面两教科书夹片6间开设有与底板5右侧边连通的矩形沉槽15,矩形沉槽15顶面右边固定连接有限位斜块16,底板5的矩形沉槽15上下内壁上开设有滑槽17,滑槽17间插入有上下两侧带滑片18的插板7,插板7底面开设有扣在限位斜块16上的斜块限位槽19,插板7通过斜块限位槽19在限位斜块16的限位下避免轴离底板5,插板7顶面右侧固定连接有边块8,边块8顶面上开设有笔槽9,笔槽9中部开设有手扣槽10,笔槽9左右内壁上设有限位夹柱11,将笔放入笔槽9内,其内壁上的限位夹柱11能卡住笔杆,避免笔杆滑落,在边块8左侧的插板7顶面上方设有活页夹13,插板7顶面上通过活页夹13固定有活页纸12。活页夹13和活页纸12顶面低于底板5顶面,确保插板7可顺利抽拉,其活页夹13不会触碰到教科书14的书皮。Between the two textbook clips 6 on the top surface of the bottom plate 5, a rectangular sink groove 15 connected to the right side of the bottom plate 5 is opened. There is a chute 17 on the upper part, and between the chute 17 is inserted a plug board 7 with sliding pieces 18 on both sides of the upper and lower sides. The shaft is prevented from being separated from the bottom plate 5 by the inclined block limiting slot 19 under the limit of the limiting inclined block 16. The right side of the top surface of the insert plate 7 is fixedly connected with a side block 8, and a pen slot 9 is opened on the top surface of the side block 8. There is a hand buckle groove 10 in the middle of the groove 9, and limit clamp posts 11 are arranged on the left and right inner walls of the pen groove 9. When the pen is put into the pen groove 9, the limit clamp posts 11 on the inner wall of the pen groove 9 can clamp the pen holder to prevent the pen holder from slipping. A binder 13 is provided above the top surface of the insert board 7 on the left side of the edge block 8 , and the loose-leaf paper 12 is fixed on the top surface of the insert board 7 through the binder 13 . The top surface of the binder 13 and the loose-leaf paper 12 is lower than the top surface of the bottom plate 5 to ensure that the inserting board 7 can be pulled out smoothly, and the binder 13 will not touch the cover of the textbook 14 .

所述的活页夹13由长条板20、U型挂钩21和手拧螺丝23组成,长条板20顶部固定连接有数个U型挂钩21,U型挂钩21一端与长条板20固定连接,另一端位于长条板20侧壁外,在长条板20顶面的左右侧均开设有通孔22,长条板20通过手拧螺丝23穿过通孔22后螺纹旋入插板7固定,插板7通过U型挂钩21挂住活页纸12上端圆孔。旋松手拧螺丝23,可轻松拆卸长条板20,从而方便更换不同型号的活页纸12。The binder 13 is composed of a long strip 20, a U-shaped hook 21 and a hand screw 23. Several U-shaped hooks 21 are fixedly connected to the top of the long strip 20, and one end of the U-shaped hook 21 is fixedly connected to the long strip 20. The other end is located outside the side wall of the long strip plate 20, and through holes 22 are opened on the left and right sides of the top surface of the long strip plate 20. The long strip plate 20 passes through the through hole 22 through the hand screw 23 and then screwed into the plug board 7 for fixing. , the plug board 7 hangs the circular hole on the upper end of the loose-leaf paper 12 through the U-shaped hook 21 . Loosen the hand screw 23, the long strip 20 can be easily disassembled, so as to facilitate the replacement of loose-leaf papers 12 of different types.

Claims (4)

1. The utility model provides an english is revived and is used books clamp, including this skin of felt (1), felt bare skin (2), hidden button cap (3), hidden button seat (4) and this memory board of pull are constituteed, this skin of felt (1) is made for the felt skin of inside parcel hard board, the hard board is by left side book board, right side book board and intermediate lamella are constituteed, be connected through the felt skin between board and the board, the left side of this skin of felt (1) left side book board is equipped with felt bare skin (2), be equipped with hidden button cap (3) on felt bare skin (2), be equipped with hidden button seat (4) at this skin of felt (1) right side book board back, it has this memory board of pull, its characterized in that to paste above this skin of felt (1) right side book board: the drawing pen storage board is composed of a bottom board (5), textbook clamping pieces (6), inserting boards (7), side blocks (8), limiting clamping columns (11), loose-leaf paper (12), loose-leaf binders (13), limiting inclined blocks (16) and sliding pieces (18), wherein the textbook clamping pieces (6) fixed through rivets are arranged above and below the top of the bottom board (5), rectangular sinking grooves (15) communicated with the right side edges of the bottom board (5) are formed between the two textbook clamping pieces (6) on the top surface of the bottom board (5), the limiting inclined blocks (16) are fixedly connected to the right side edges of the top surface of the rectangular sinking grooves (15), sliding grooves (17) are formed in the upper inner wall and the lower inner wall of the rectangular sinking grooves (15) of the bottom board (5), the inserting boards (7) with the sliding pieces (18) on the upper side and the lower side are inserted between the sliding grooves (17), inclined block limiting grooves (19) buckled on the limiting inclined blocks (16) are formed in the bottom surface of the inserting boards (7, a pen groove (9) is formed in the top surface of the edge block (8), a hand buckle groove (10) is formed in the middle of the pen groove (9), limiting clamp posts (11) are arranged on the left inner wall and the right inner wall of the pen groove (9), a loose-leaf binder (13) is arranged above the top surface of the inserting plate (7) on the left side of the edge block (8), and loose-leaf paper (12) is fixed on the top surface of the inserting plate (7) through the loose-leaf binder (13).
2. The book clip for english practice supplementation of claim 1, wherein: loose-leaf binder (13) by rectangular board (20), U type couple (21) and hand screw (23) are constituteed, rectangular board (20) top fixedly connected with several U type couple (21), U type couple (21) one end and rectangular board (20) fixed connection, the other end is located outside rectangular board (20) lateral wall, through-hole (22) have all been seted up on the left and right sides of rectangular board (20) top surface, rectangular board (20) pass through-hole (22) back screw thread screw in picture peg (7) fixed through hand screw (23), picture peg (7) hang loose-leaf paper (12) upper end round hole through U type couple (21).
3. The book clip for english practice supplementation of claim 1, wherein: the size of the book board of the felt book cover (1) is larger than that of a textbook (14), the size of the bottom plate (5) is larger than that of the textbook (14) and smaller than that of the book board of the felt book cover (1), and the bottom plate (5) is located on the right side of the book board on the right side of the felt book cover (1).
4. The book clip for english practice supplementation of claim 1, wherein: the textbook clamping piece (6) is U-shaped, the opening of the textbook clamping piece is upwards tilted, and the distance between the clamping inner walls of the textbook clamping piece is smaller than the thickness of a book cover of the textbook (14).
CN201921647017.0U 2019-09-30 2019-09-30 English is supplementary to be used books press from both sides Expired - Fee Related CN211251913U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921647017.0U CN211251913U (en) 2019-09-30 2019-09-30 English is supplementary to be used books press from both sides

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921647017.0U CN211251913U (en) 2019-09-30 2019-09-30 English is supplementary to be used books press from both sides

Publications (1)

Publication Number Publication Date
CN211251913U true CN211251913U (en) 2020-08-14

Family

ID=71966416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921647017.0U Expired - Fee Related CN211251913U (en) 2019-09-30 2019-09-30 English is supplementary to be used books press from both sides

Country Status (1)

Country Link
CN (1) CN211251913U (en)

Similar Documents

Publication Publication Date Title
CN211251913U (en) English is supplementary to be used books press from both sides
CN217827186U (en) Book folder capable of being clamped according to branch of academic or vocational study
CN206124503U (en) Books for taking notes or keeping accounts loose -leaf binder
CN212332224U (en) File folder
CN210881410U (en) A kind of folder for English teaching
CN206374411U (en) A kind of administration teaching study file
CN201111469Y (en) Improved easy-to-store folder structure
CN217959210U (en) Stationery case type reading rack
CN202219666U (en) Long-tail clamp capable of being inserted by card
US9669648B1 (en) Loose-leaf binder device
US9676221B1 (en) Loose-leaf binder
CN221642171U (en) Special folder for law teaching and research
CN219727676U (en) Spiral notebook
CN214822091U (en) Multifunctional notebook
CN2721403Y (en) file box with binder
CN206124510U (en) Books for taking notes or keeping accounts loose -leaf device
CN219969245U (en) Novel folder
CN219523473U (en) Student uses notebook convenient to equipment split
CN215474043U (en) Multifunctional paper notebook
CN209667768U (en) It is a kind of for store bookbinding file file storage device
CN203325432U (en) Page connected piano score clamp
KR102410740B1 (en) Book with post-it
CN218750021U (en) File folder
CN207128437U (en) Stand-type picture album folder
CN2255178Y (en) Improved bag with drawing folder

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200814

Termination date: 20210930

CF01 Termination of patent right due to non-payment of annual fee