CN105852347B - A kind of multi-functional air-supply umbrella - Google Patents
A kind of multi-functional air-supply umbrella Download PDFInfo
- Publication number
- CN105852347B CN105852347B CN201610259513.3A CN201610259513A CN105852347B CN 105852347 B CN105852347 B CN 105852347B CN 201610259513 A CN201610259513 A CN 201610259513A CN 105852347 B CN105852347 B CN 105852347B
- Authority
- CN
- China
- Prior art keywords
- umbrella
- stem
- handle
- air
- supply
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B23/00—Other umbrellas
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B25/00—Details of umbrellas
- A45B25/02—Umbrella frames
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B3/00—Sticks combined with other objects
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B3/00—Sticks combined with other objects
- A45B3/02—Sticks combined with other objects with illuminating devices
- A45B3/04—Sticks combined with other objects with illuminating devices electrical
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B9/00—Details
- A45B9/02—Handles or heads
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B2200/00—Details not otherwise provided for in A45B
- A45B2200/10—Umbrellas; Sunshades
- A45B2200/1009—Umbrellas; Sunshades combined with other objects
- A45B2200/1018—Umbrellas; Sunshades combined with other objects with illuminating devices, e.g. electrical
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B2200/00—Details not otherwise provided for in A45B
- A45B2200/10—Umbrellas; Sunshades
- A45B2200/1009—Umbrellas; Sunshades combined with other objects
- A45B2200/1027—Umbrellas; Sunshades combined with other objects with means for generating solar energy
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B2200/00—Details not otherwise provided for in A45B
- A45B2200/10—Umbrellas; Sunshades
- A45B2200/1009—Umbrellas; Sunshades combined with other objects
- A45B2200/1036—Umbrellas; Sunshades combined with other objects with means for promoting air movement, e.g. ventilation holes, fans, ventilators, special shape for ventilation, suction means
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B2200/00—Details not otherwise provided for in A45B
- A45B2200/10—Umbrellas; Sunshades
- A45B2200/1081—Umbrella handles
Abstract
The invention discloses a kind of multi-functional air-supply umbrellas, and for blowing to umbrella-holding human, the air-supply pack includes umbrella mount structure and power supply structure, air-supply structure；The umbrella mount structure includes top of the umbrella, umbrella cover, umbrella stem, umbrella handle and umbrella frame, and wherein top of the umbrella, umbrella handle and umbrella stem is hollow structure；The power supply structure includes three Partial DC generators, solar cell and rechargeable battery, dc generator and is arranged in top of the umbrella, and solar cell is covered in the outer surface of umbrella cover, and rechargeable battery is placed in umbrella stem；The air-supply structure is at umbrella handle position, and mainly including fan, air inlet, exhaust vent, fan is arranged on inside umbrella handle, and air inlet is arranged on the bottom of umbrella handle, and exhaust vent is distributed on the umbrella handle inclined-plane that umbrella handle is connected with umbrella stem.The present invention not only can be to people as sunshade in summer, air-supply is enjoyed the cool, the umbrella of the present invention can show width by LED light at night to the personnel on other roads simultaneously, it prevents that traffic accident occurs when visual difference, and USB interface can also give charging of mobile devices, it can be as outdoor sports or a kind of very effective mobile power of staff.
Description
【Technical field】
The present invention relates to articles for daily use and energy conversion devices, and in particular to a kind of multi-functional air-supply umbrella.
【Background technology】
With present ozone layer subject to severe risks of damage, solar ultraviolet radiation is increasingly strong, and people increasingly pay attention to skin
Protection and recognize sun-proof importance, thus the market of parasol is also increasing, but parasol on the market at present
Only there is sunshade, local air of the people under umbrella is inevitably scorching, it is impossible to which the body-sensing for meeting people well will
It asks.Existing parasols can only play the role of sunshade and stop portions ultraviolet radiation in summer, go on a journey in hot summer, temperature
Up to 40 degree of even more highs.Therefore, the trip on daytime in summer is for everybody, not less than being a kind of torment.
Publication No. CN104382309A Chinese invention patents disclose " parasol with solar fan ", which exists
Umbrella cover adds solar panels, and small fan is added in umbrella stem, is powered by the solar panels of umbrella cover to small fan, in high temperature
It is lower provide wind arrive blow to umbrella holder on the face or with, blow away by scorching thermogenetic major part heat, people made to feel nice and cool,
But its battery powered is limited, if movable under no sun for a long time, electric power deficiency cannot still continue to provide cool breeze, simultaneously
Its fan be mounted on umbrella stem on and it is external, fan run during, if during umbrella support shakiness the face of umbrella-holding human be easy to by
Fan blade is injured, and therefore, the use of the invention has significant limitation.
【The content of the invention】
The goal of the invention of the present invention is：In view of the above problems, a kind of air-supply umbrella is provided, passes through thin film solar
Battery absorbs solar energy and wind energy driving umbrella cover is rotated and charged to the battery in umbrella stem, is provided to the fan in umbrella handle and LED light
Constant current source.The present invention not only can be to people as sunshade in summer, and air-supply is enjoyed the cool, while the umbrella of the present invention can be at night
Between width shown to the personnel on other roads by LED light, prevent from that traffic accident occurs when visual difference, and USB interface also may be used
It, can be as outdoor sports or a kind of very effective mobile power of staff to give charging of mobile devices.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of multi-functional air-supply umbrella, for blowing to umbrella-holding human, the air-supply pack includes umbrella mount structure and power supply structure, send
Wind structure；The umbrella mount structure includes top of the umbrella, umbrella cover, umbrella stem, umbrella handle and umbrella frame, and the top of the umbrella, umbrella handle and umbrella stem are hollow knot
Structure；The power supply structure includes dc generator, solar energy film and rechargeable battery, dc generator be arranged in top of the umbrella with
Top of the umbrella connects, and thin-film solar cells is covered in the outer surface of umbrella cover, and thin-film solar cells softness is light, is covered on umbrella cover
The contraction of umbrella cover is not interfered with, weight will not substantially increase, and rechargeable battery is placed in umbrella stem to store electric energy；It is described
Air-supply structure is arranged on umbrella handle position, and including fan, air inlet and exhaust vent, fan is arranged on inside umbrella handle, and air inlet is set
In the bottom of umbrella handle, exhaust vent is distributed in the umbrella handle end cone face of umbrella stem connection umbrella handle, is formed obliquely against the head of umbrella-holding human
Portion blows out cool breeze；The solar energy film is connected by circuit with rechargeable battery and fan respectively, can be given under sunlight
Fan and rechargeable battery provide electric energy；The dc generator is connected by circuit with rechargeable battery and fan respectively, institute
State umbrella cover drives the dc generator being connected with top of the umbrella to power to fan and rechargeable battery under external force；It is described chargeable
Battery is connected by circuit with fan.
Further, clutch shaft bearing, second bearing, locating piece and umbrella handle set, locating piece setting are included in the umbrella stem
In position of the umbrella stem from 1/3 length of top of the umbrella, the position for positioning second bearing makes the umbrella frame being connected with second bearing unfurl an umbrella
Face；Clutch shaft bearing is fixed on umbrella stem top, and second bearing is sleeved below clutch shaft bearing, and is sleeved in umbrella stem and is slided along umbrella stem, umbrella
Sleeve is in the lower section of clutch shaft bearing, and the mouth of umbrella handle set is slided towards umbrella handle and in umbrella stem along umbrella stem, clutch shaft bearing and second
For dc generator to be avoided to receive axial compressive force, the umbrella handle is sleeved on when fan does not work for entangling the outlet air of umbrella handle bearing
Hole reduces dust and enters umbrella handle.
Further, the dc generator is fixed in top of the umbrella, and the output terminal of dc generator is fixed in umbrella stem, institute
Umbrella frame is stated to be connected with clutch shaft bearing, second bearing respectively, umbrella cover under external force, by clutch shaft bearing and second bearing around umbrella
Bar rotates, and the dc generator of top of the umbrella is driven to generate electricity.
Further, the fan includes the motor and flabellum of double end output, and flabellum is separately mounted to the two of motor
The inclined direction of end and flabellum is reversed, and flabellum is oblique for double leaf blade construction, and the twayblade of the structure diagonal can be more effective
Increase wind-force.
Further, the umbrella handle bottom air inlet mouth position is equipped with USB interface, and USB interface is connected by circuit with battery,
Fan power switch is equipped between the exhaust vent and air inlet hole of umbrella handle and LED light switchs.
Further, the umbrella frame tail end being close to umbrella cover is equipped with LED light, and LED light passes through circuit and chargeable electricity
Pond connects.
The operation principle of present invention air-supply umbrella：Umbrella cover connects clutch shaft bearing and second bearing by umbrella frame, and umbrella cover is in external force
Effect is lower to be rotated by bearing around umbrella stem, and then drives the dc generator in top of the umbrella to fan, LED light and in umbrella stem
Battery powered；Second bearing can be free to slide in umbrella stem, and positions support umbrella cover for a long time in distracted by locating piece
State；In addition the thin-film solar cells amount of absorbing solar energy covered on umbrella cover be converted into electric energy also to fan, LED light and to
Battery powered in umbrella stem；After starting fan, air enters from the air inlet of umbrella handle bottom, blows out, makes from exhaust vent through fan
Umbrella-holding human feels slight chill in the air, while USB interface is connected with battery, is used to other charging of mobile devices, fan and LED light
Start and stop are controlled by the switch on umbrella handle, during without using air-supply structure, can slide down the outlet air for entangling umbrella handle along umbrella stem with umbrella handle set
Hole reduces dust and enters umbrella handle.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
A kind of multi-functional air-supply umbrella provided by the invention, can both be enjoyed the cool with sunshade, air-supply, can also be used as at night and be shown width
Instruction prevents visual difference from traffic accident occurs；The thin-film solar cells of umbrella cover can change under sunlight irradiation simultaneously
Electric energy is powered, and umbrella cover rotates under wind or the effect of other external force, and the dc generator in top of the umbrella can also be driven to power, and umbrella stem
In storage device of the battery as electric energy, acted in umbrella cover without external force or the thin-film solar cells without sunlight irradiation umbrella cover
In the case of also can give air-supply umbrella provide a period of time power supply, fully ensure that umbrella-holding human can persistently experience cool breeze, and
The USB interface of umbrella handle end can also give charging of mobile devices, and it is very effective to provide one kind for outdoor movement and staff
Mobile power.
【Description of the drawings】
Fig. 1 is a kind of multi-functional air-supply umbrella structure diagram of the invention.
1- top of the umbrella in Fig. 1；2- clutch shaft bearings；3- thin-film solar cells；4- rechargeable batteries；5- umbrella covers；6-LED lamps；
7- umbrella stems；8- umbrella handle sets；9- exhaust vents；10- umbrella handles；11- dc motors；12- flabellums；13- air inlets；14- fan power supplies
Switch；15-USB interfaces；16- locating pieces；17- dc generators；18-LED lamp switches；19- umbrella frames；20- second bearings.
【Specific embodiment】
The principle of the present invention, the course of work and specific embodiment are described further below in conjunction with the accompanying drawings.
Fig. 1 is a kind of multi-functional air-supply umbrella structure diagram of the present invention.As shown in the figure, a kind of multi-functional air-supply umbrella is used to give
Umbrella-holding human blows, and umbrella-holding human is allowed to feel slight chill in the air in hot summer.The multi-functional air-supply pack of the present invention includes umbrella mount structure and power supply
Structure, air-supply structure；Umbrella mount structure includes top of the umbrella 1, umbrella cover 5, umbrella stem 7, umbrella handle 10 and umbrella frame 19, wherein top of the umbrella 1,10 and of umbrella handle
Umbrella stem 7 is hollow structure, for setting other functional devices；Power supply structure includes dc generator 17, thin-film solar cells 3
With rechargeable battery 4, dc generator 17 is arranged in top of the umbrella 1, and thin-film solar cells 3 is covered in the outer surface of umbrella cover 5, can
Rechargeable battery 4 is placed in umbrella stem 7, and umbrella rod structure is kept not change；Air-supply structure at 10 position of umbrella handle, mainly including fan,
Air inlet 13, exhaust vent 9, fan are arranged on inside umbrella handle 10, prevent that blade scratches umbrella-holding human when fan from rotating, air inlet 13 is set
Put in the bottom of umbrella handle 10, exhaust vent 9 is distributed on the inclined-plane for the umbrella handle 10 that umbrella handle 10 is connected with umbrella stem 7, can exhaust vent it is oblique
Upper face umbrella-holding human blowing；The top of umbrella stem 7 and the axial plane center vertical welding of clutch shaft bearing 2, bottom and the umbrella handle 10 of umbrella stem 7
It connects, 1/3 umbrella stem, 7 extension position is equipped with locating piece 16 with a distance from clutch shaft bearing 10 in umbrella stem 7, and the second axis is cased in umbrella stem 7
20 and umbrella handle set 8 are held, umbrella handle set 8 below second bearing 20, in umbrella stem 7 slide, and is used by locating piece 16 by second bearing 20
The position of second bearing 20 is fixed, the umbrella frame 19 that is connected with second bearing 20 is made to strut umbrella cover 5, fan includes dc motor
11 and blade 12,11 both ends of dc motor have shaft, one group of blade 12 is installed respectively, blade 12 is double leaf blade, and two
The parallel installation of group blade, the inclined-plane direction of two groups of blades is on the contrary, can make wind direction towards same direction, and can increase wind-force；Separately
External umbrella handle bottom air inlet mouth position is equipped with usb 15, and fan electricity is equipped between the exhaust vent 9 of umbrella handle 10 and air inlet 13
Source switch 14 and LED light switch 18, and umbrella frame 19 is divided to for two groups, one group of umbrella frame is close to umbrella cover 5, one end and top of the umbrella 1 and fixation
Shaft 2 connects, and the end of the other end is equipped with LED light 6, at night as wide instruction is shown, prevents visual difference from traffic accident occurs；Separately
One end of one group of umbrella frame is connected with second bearing 20, and the umbrella frame on other end support umbrella cover 5 can preferably support umbrella cover.
In use, up being strutted umbrella frame 19 to locating piece more than 16 by second bearing 20, umbrella cover 5 is unfolded, allows too
Thin-film solar cells 3 on sunlight umbrella cover 5, and can umbrella cover 5 be acted on by external force and worked with dynamotor 17, profit
Electric power is provided to LED light 6, fan and rechargeable battery 4 with both solar energy or dc generator 17, while in no sunlight
During according to or without external force effect umbrella cover 5, it can be supplied by the electric power being stored in rechargeable battery 4 to fan or LED light 6
Electricity, after starting fan, the air inlet 13 of air from 10 bottom of umbrella handle enters, and is blown out through fan from exhaust vent 9, feels umbrella-holding human
Slight chill in the air, while usb 15 is connected by circuit with rechargeable battery 4, is used to other charging of mobile devices, fan and
The start and stop of LED light 6 are controlled by the switch on umbrella handle 10, can be with umbrella handle set along umbrella stem sliding sleeve down when without using air-supply structure
The firmly exhaust vent of umbrella handle reduces dust and enters umbrella handle.
Claims (5)
1. a kind of multi-functional air-supply umbrella, it is characterised in that：The air-supply pack includes umbrella mount structure and power supply structure, air-supply structure；
The umbrella mount structure includes top of the umbrella, umbrella cover, umbrella stem, umbrella handle and umbrella frame, and the top of the umbrella, umbrella handle and umbrella stem are hollow structure；It is described
Include clutch shaft bearing, second bearing, locating piece and umbrella handle set in umbrella stem, locating piece is set in umbrella stem from 1/3 length of top of the umbrella
Position, clutch shaft bearing are fixed on umbrella stem top, and second bearing is sleeved below clutch shaft bearing, and is sleeved in umbrella stem and is slided along umbrella stem,
Umbrella handle is sleeved on the lower section of second bearing, and the mouth of umbrella handle set is slided towards umbrella handle and in umbrella stem along umbrella stem；The power supply structure
Including dc generator, solar energy film and rechargeable battery, dc generator is arranged in top of the umbrella, the output of dc generator
End is fixed in umbrella stem, and the umbrella frame is connected respectively with clutch shaft bearing, second bearing, and umbrella cover under external force, passes through first
Bearing and second bearing are rotated around umbrella stem, the dc generator of top of the umbrella are driven to generate electricity, solar energy film is covered in the appearance of umbrella cover
Face, rechargeable battery are placed in umbrella stem；The air-supply structure is arranged on umbrella handle position, including fan, air inlet and exhaust vent,
Fan is arranged on inside umbrella handle, and air inlet is arranged on the bottom of umbrella handle, and exhaust vent is distributed in the umbrella handle end cone of umbrella stem connection umbrella handle
On face；The solar energy film is connected by circuit with rechargeable battery and fan respectively；The dc generator passes through circuit
It is connected respectively with rechargeable battery and fan；Rechargeable battery is connected by circuit with fan.
2. a kind of multi-functional air-supply umbrella according to claim 1, it is characterised in that：The dc generator is fixed on top of the umbrella
It is interior.
3. a kind of multi-functional air-supply umbrella according to claim 1, it is characterised in that：The fan includes the electronic of double end output
Machine and flabellum, flabellum is separately mounted to the both ends of motor and the inclined direction of flabellum is reversed, and flabellum is double leaf blade knot
Structure.
4. a kind of multi-functional air-supply umbrella according to claim 1, it is characterised in that：The umbrella frame is divided into two groups, one group of umbrella frame
Be close to umbrella, one end is connected with top of the umbrella and fixed rotating shaft, and the end of the other end is equipped with LED light, and LED light by circuit with that can fill
Battery connects；One end of another group of umbrella frame is connected with second bearing, the umbrella frame on other end support umbrella cover.
5. a kind of multi-functional air-supply umbrella according to claim 4, it is characterised in that：The umbrella handle bottom air inlet mouth position is equipped with
USB interface, USB interface are connected by circuit with battery, and fan power switch is equipped between the exhaust vent and air inlet hole of umbrella handle
It is switched with LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259513.3A CN105852347B (en) | 2016-04-25 | 2016-04-25 | A kind of multi-functional air-supply umbrella |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610259513.3A CN105852347B (en) | 2016-04-25 | 2016-04-25 | A kind of multi-functional air-supply umbrella |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105852347A CN105852347A (en) | 2016-08-17 |
| CN105852347B true CN105852347B (en) | 2018-05-25 |
Family
ID=56633036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610259513.3A Expired - Fee Related CN105852347B (en) | 2016-04-25 | 2016-04-25 | A kind of multi-functional air-supply umbrella |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105852347B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106723780A (en) * | 2017-04-10 | 2017-05-31 | 李兵兵 | Splash-proof self-shining warns umbrella device |
| CN107259734B (en) * | 2017-07-28 | 2019-07-23 | 武汉理工大学 | A kind of parasols using solar power generation |
| CN107455872A (en) * | 2017-09-30 | 2017-12-12 | 广西浙缘农业科技有限公司 | A kind of parachute flare |
| CN108294420A (en) * | 2018-04-20 | 2018-07-20 | 山东交通学院 | A kind of umbrella using solar energy |
| CN109674160A (en) * | 2019-03-01 | 2019-04-26 | 赵梓任 | A kind of solar airconditioning umbrella |
| CN111418969A (en) * | 2020-05-11 | 2020-07-17 | 重庆大学 | Solar umbrella capable of cooling in summer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040084071A1 (en) * | 2002-11-05 | 2004-05-06 | Gray Ruben L. | Combination umbrella and fan |
| CN201409549Y (en) * | 2008-10-22 | 2010-02-24 | 蔡济宇 | Solar energy umbrella |
| CN204499704U (en) * | 2015-01-09 | 2015-07-29 | 雷乾勇 | A kind of purification of air umbrella |
-
2016
- 2016-04-25 CN CN201610259513.3A patent/CN105852347B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105852347A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105852347B (en) | A kind of multi-functional air-supply umbrella | |
| CN202514742U (en) | Solar power generation fan umbrella with cooling device | |
| CN202026973U (en) | Portable solar air-conditioning sunshade umbrella | |
| CN202664490U (en) | Multifunctional umbrella | |
| CN2794257Y (en) | Air conditioner sun umbrella | |
| CN201624224U (en) | Umbrella with fan | |
| CN203279943U (en) | Multifunctional outdoor solar energy sunshade | |
| CN201709586U (en) | Light-energy sun umbrella | |
| CN107361484A (en) | A kind of solar powered Multifunctional household exumbrella | |
| CN206137403U (en) | Fan umbrella | |
| CN201409549Y (en) | Solar energy umbrella | |
| CN208388009U (en) | The solar sunshade of powered fan | |
| CN201822117U (en) | Solar umbrella | |
| CN206791857U (en) | A kind of scenic spot parasols | |
| CN109567333A (en) | Solar fan umbrella | |
| CN108209080A (en) | The solar sunshade of powered fan | |
| CN201577665U (en) | Folding umbrella with solar fan | |
| CN201138756Y (en) | Automobile sun screening freeze preventing two-purpose cover with energy supplied by sun and wind | |
| CN211323335U (en) | Solar air-conditioning umbrella | |
| CN201752265U (en) | Air cooling umbrella | |
| CN203314270U (en) | Parasol | |
| CN201409556Y (en) | Solar-powered air-conditioning umbrella | |
| CN2214758Y (en) | Collapsible umbrella with solar energy fan | |
| CN2558252Y (en) | Solar umbrella with fan | |
| CN219645207U (en) | Outdoor solar sunshade umbrella |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20180525 Termination date: 20200425 |