CN201223213Y - Electrical heating ceramic kettle - Google Patents
Electrical heating ceramic kettle Download PDFInfo
- Publication number
- CN201223213Y CN201223213Y CNU2008201173629U CN200820117362U CN201223213Y CN 201223213 Y CN201223213 Y CN 201223213Y CN U2008201173629 U CNU2008201173629 U CN U2008201173629U CN 200820117362 U CN200820117362 U CN 200820117362U CN 201223213 Y CN201223213 Y CN 201223213Y
- Authority
- CN
- China
- Prior art keywords
- heating
- heatable soleplate
- kettle body
- electric
- kettle
- 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
Images
Landscapes
- Cookers (AREA)
Abstract
The utility model discloses an electrical heating ceramic pot, which comprises a base and a ceramic pot, wherein the upper part of the pot body of the ceramic pot is a liquid cavity, and the lower part thereof is a heating temperature-control cavity; a heating bottom plate is arranged between the liquid cavity and the heating temperature-control cavity; an electrical heating element and a temperature controller are arranged on the surface of the heating bottom plate, which faces downwards; the bottom cover of the pot body is arranged at the bottom of the pot body; an upper electric coupler is arranged on the bottom cover of the pot body; and a lower electric coupler corresponding to the upper electric coupler is arranged in the middle of the upper part of a base. The heating bottom plate, the electrical heating element, the temperature controller and the upper electric coupler are effectively connected in series and arranged in the heating temperature-control cavity, the electrical heating element can be cyclically controlled and serve the function of thermal insulating under the action of temperature control, thereby ensuring the safety of the electric appliances. The fixed locking plate is embedded into the groove of the heating temperature-control cavity, so that the heating bottom plate can be firmly connected with a connecting ring and buckled and pressed on a boss; and meanwhile, the upper surface of the heating bottom plate is in direct contact with the liquid, the structure is suitable for the electrical heating ceramic pots of various forms, thereby ensuring wide applicable range.
Description
Technical field
The utility model relates to a kind of ceramic kettle, particularly is used to prepare coffee, cocoa, boils milk, the electric-heating ceramic kettle of heat wine or water heating.
Background technology
Traditional electric kettle in the daily life field, include the kettle body of plastics or metal, on kettle body bottom, be provided with heater, heating and temperature controller, and the switch that is connected in series, be provided with bottom in the heater bottom, bottom is provided with upper electric coupler, and the kettle body places on the base usually, be provided with down electric coupler in the middle of the base, kettle body and base are pegged graft can connect power supply.
Most PP (polypropylene) or ABS (styrene) plastics of adopting of the kettle body of the electric kettle of this quasi-tradition are made, owing to be in work under the high temperature for a long time, plastics are very easily aging, embrittlement, the serious potential safety hazard that exists, though durable in use with metal kettle body, cost is with high costs.Usually the heater element of this class electric kettle employing mostly is electrothermal tube or Electric radiant Heating Film, and because of structural limitations can only be flattened on the heatable soleplate, the heat energy consumption is bigger, is difficult to reach energy-conservation requirement; This class electric kettle only is used for the water heating simultaneously, is not suitable for preparing Other Drinks, brings inconvenience to the user.
Publication number is CN2838494, Chinese patent and publication number that the utility model name is called " electric heating heat wine kettle " are CN200980528, the utility model name is called the Chinese patent in " adjustment wine pot ", all the material with the kettle body changes ceramic material into, in order to solve the electrical heating problem, all heater element is arranged on the stainless steel base plate and maybe the heat-generating disc for preparing is fixed on the baseplane of ceramic kettle body, heatable soleplate and liquid are isolated fully, because ceramic material heat-conductive characteristic extreme difference, temperature controller can't be controlled the setting value of liquid heating, finally is difficult to reach instructions for use.
The utility model content
The purpose of this utility model provides a kind of novel structure, and safe and reliable, energy-saving and cost-reducing, cheap being used to made coffee, cocoa, boiled milk, the electric-heating ceramic kettle of heat wine, water heating etc.
To achieve these goals, the utility model has adopted following technical scheme: a kind of electric-heating ceramic kettle comprises base and is arranged at ceramic kettle on the base; It is characterized in that,
The top of the kettle body of described ceramic kettle is fluid chamber, and the bottom is heating temperature control chamber, is provided with the heatable soleplate that fluid chamber and described heating temperature control chamber is separated into two separate space between described fluid chamber and the described heating temperature control chamber;
On the described heatable soleplate one side down heating and temperature controller are set;
The bottom of described kettle body is provided with kettle body bottom, on the described kettle body bottom upper electric coupler is set;
Be provided with in the middle of the described base top and the corresponding electric coupler down of upper electric coupler;
Described heating, temperature controller, upper electric coupler and following electric coupler are connected in series by lead.
As preferably, more firm for heatable soleplate combine with heating temperature control chamber, the inwall in described heating temperature control chamber is provided with a circle boss, links together by filling thermostable silicone rubber between the outer rim of described heatable soleplate and boss.
The inwall in described heating temperature control chamber is provided with a circle groove, and described groove is positioned at the bottom of boss; At least one the fixing locking plate protrude in the heatable soleplate outer rim is set on the described heatable soleplate, and described fixedly locking plate is inserted in the groove.
As preferably, the fixedly locking plate on the described heatable soleplate is four, four fixedly locking plate be distributed on the heatable soleplate.
As preferably, for kettle body bottom is connected with heatable soleplate, described kettle body bottom is provided with the fixed leg of at least one hollow towards a side of heatable soleplate, be provided with on the kettle body bottom of fixed leg and have the fixing hole that is communicated with fixed leg, be provided with and the corresponding screw hole of fixed leg on the described heatable soleplate, wear screw in described fixing hole, fixed leg and the screw hole, heatable soleplate and kettle body bottom are linked together.
As preferably, described fixed leg is three, and three fixed legs are distributed on the kettle body bottom.
As preferably, described heating and heatable soleplate riveting together, described temperature controller is withheld on heatable soleplate by fixation spring tab.
As preferably, described electric-heating ceramic kettle also comprises thermal cut-off, and described temperature controller and thermal cut-off are withheld on heatable soleplate by fixation spring tab; On the described heatable soleplate one side down U-lag is set, described heating is flush-mounted in the U-lag.
As preferably, be connected with connecting ring on the described heatable soleplate one side down, at least one fixedly fixed leg and insulation heat-insulating base of locking plate, at least one hollow are set on the described connecting ring, described fixedly locking plate protrudes in the outer rim of connecting ring, be provided with on the described heatable soleplate and the corresponding screw hole of insulation heat-insulating base, wear screw in insulation heat-insulating base and the screw hole, heatable soleplate and connecting ring are linked together;
The inwall in described heating temperature control chamber is provided with a circle groove, and described groove is positioned at the bottom of boss; Fixedly locking plate setting-in on the described connecting ring is in the groove that heats on the temperature control cavity wall; Make more fastening the withholding on boss of heatable soleplate and connecting ring, be difficult for becoming flexible, security is more reliable.
Be provided with and the corresponding fixing hole of fixed leg on the described kettle body bottom, described fixed leg is inserted in the fixing hole.
As preferably, for heated sealed temperature control chamber, described kettle body bottom outer rim is provided with the anti-overflow sealing ring with heating temperature control cavity wall touching position.
Described handle comprises the column handle, is connected the handle connecting axle and the taper knob of handle one end, and an end of described taper knob is arranged on the kettle body side wall, and described handle connecting axle is connected on the other end of taper knob.The handled easily personnel hold mobile.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model is connected in series heatable soleplate, heating, temperature controller, upper electric coupler effectively, is arranged in the heating temperature control chamber, and heating is because of temperature control effect control capable of circulation and play insulation effect, and can guarantee security appliance.
2, the utility model adopts fixing locking plate to be inlaid in the groove in heating temperature control chamber simultaneously, heatable soleplate is connected securely with connecting ring, and withhold on boss, the upper surface of heatable soleplate directly contacts with liquid simultaneously, this structure can adapt to multi-form charged heating ceramic kettle body, and purposes is more wide.
3, the utility model kettle body bottom edge is provided with the anti-overflow sealed picture, prevents that fluid seepage from heating temperature control chamber, guaranteeing safe in utilization.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model embodiment one.
Fig. 2 is the cutaway view of kettle body among Fig. 1.
Fig. 3 is the shell structure schematic diagram of kettle body among Fig. 1.
Fig. 4 is the decomposition texture schematic diagram of heatable soleplate and connecting ring among the utility model embodiment one.
Fig. 5 is that the kettle body bottom of the utility model embodiment one is in the decomposition texture schematic diagram of anti-overflow sealing ring.
Fig. 6 is the partial sectional view of ceramic kettle among the utility model embodiment two.
Fig. 7 is that heatable soleplate among the utility model embodiment two, kettle body bottom are in the decomposition texture schematic diagram of anti-overflow sealing ring.
Description of symbols
1-kettle body 2-handle
3-pot lid 4-handle connecting axle
5-taper knob 6-heating temperature control inner chamber
7-groove 8-boss
9-heatable soleplate 10-heating
11-U shape groove 12-temperature controller
The fastening shell fragment 14-of 13-thermal cut-off
15-screw hole 16-connecting ring
17-is locking plate 18-insulation heat-insulating base fixedly
19-fixed leg 20-kettle body bottom
21-upper electric coupler 22-fixing hole
23-anti-overflow sealing ring 24-base
Electric coupler 26-push rod under the 25-
27-toggle switch 28-power plug wire
29-screw 30-tapping screw
31-high temperature silicone rubber 32-fluid chamber
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail, but not as to qualification of the present utility model.
Embodiment one
As shown in Figure 1, electric-heating ceramic kettle described in the utility model comprises ceramic kettle and base 24, described ceramic kettle is big capacity ceramic kettle, described ceramic kettle comprises kettle body 1, be positioned at the handle 2 on kettle body 1 sidewall and be placed on pot lid 3 on the kettle body 1, the bottom of described kettle body 1 is provided with kettle body bottom 20, on the described kettle body bottom 20 upper electric coupler 21 is set; Be provided with separable base 24 in the ceramic kettle lower end, be provided with down electric coupler 25 in the middle of the base 24, when ceramic kettle is placed on the base 24, upper electric coupler 21 can with 25 pairs of grafting splice graftings of the following electric coupler energize in the middle of the base 24, ceramic kettle can rotate freely by 360 degree on base 24.Described base 24 is provided with power plug wire, base 24 front ends are provided with toggle switch 27, the push rod 26 that is arranged at base 24 tops is formed linkage structure with toggle switch 27, when ceramic kettle is placed on the base 24, push rod 26 is by when pressing down, and toggle switch 27 can be opened, when ceramic kettle leaves base 24, toggle switch 27 self-return deenergizations, toggle switch 27 more is tending towards rationally using more convenient with linkage structure and security performance that push rod 26 is formed.
As Fig. 2, shown in Figure 3, the top of the kettle body 1 of described ceramic kettle is fluid chamber 32, the bottom is heating temperature control chamber 6, described heating temperature control chamber 6 inwalls are provided with a circle boss 8 and a circle groove 7, described boss 8 is positioned at the top of groove 7,6 tops, described heating temperature control chamber also are provided with heatable soleplate 9, and described heatable soleplate 9 is separated into two independently spaces with fluid chamber 32 and described heating temperature control chamber 6.Described handle 2 comprises the column handle, is connected the handle connecting axle 4 and the taper knob 5 of handle one end, and an end of described taper knob 5 is arranged on kettle body 1 sidewall, and described handle connecting axle 4 is inserted in the other end of taper knob 5.This structure handled easily personnel hold mobile.
As shown in Figure 4, the lower surface of described heatable soleplate 9 is provided with temperature controller 12, thermal cut-off 14 and fastening shell fragment 13, and described temperature controller 12 is withheld on the lower surface of heatable soleplate 9 by fastening shell fragment 13 tightly with thermal cut-off 14; Be provided with U-lag 11 simultaneously on the described heatable soleplate 9, in the described U-lag 11 heating 10 be set, heating is preferably electrothermal tube, and described heating 10 is inlaid in the U-lag 11 by hydraulic way.The another side that described heatable soleplate 9 has U-lag 11 contacts with liquid because of the projection that U-lag 11 forms, and the expansion of heat transfer area has been given prominence in this design, is characterized in that energy-saving effect and thermal efficiency are better, the electromagnetic compatibility better effects if.Described temperature controller 12 and thermal cut-off 14 are installed in the centre of heatable soleplate 9, fastened shell fragment 13 fastenings are on heatable soleplate 9, described temperature controller 12, thermal cut-off 14, heating 10 are connected in series with upper electric coupler 21, and heating 10 is because of temperature control effect control capable of circulation and play insulation effect.Be connected with connecting ring 16 on described heatable soleplate 9 one side down, described connecting ring 16 is provided with four fixedly locking plates 17, the fixed leg 19 of three hollows and three insulation heat-insulating bases 18, described fixedly locking plate 17 protrudes in the outer rim of connecting ring 16, described fixed leg 19 and insulation heat-insulating base 18 are towards a side of connecting ring 16, be provided with on the described heatable soleplate 9 and insulation heat-insulating base 18 corresponding screw holes 15, wear screw 29 in insulation heat-insulating base 18 and the screw hole 15, screw 29 is passed insulation heat-insulating base 18 be connected with screw hole 15 and screw, heatable soleplate 9 and connecting ring 16 are linked together; On the connecting ring 16 four fixedly locking plate 17 be inlaid in the groove 7 in heating temperature control chamber 6, as shown in Figure 2, described heatable soleplate 9 more securely is buckled on the boss 8 with connecting ring 16, be difficult for looseningly, security performance is more reliable.Thermostable silicone rubber 31 is filled between boss 8 and the heatable soleplate 9, seals, prevent fluid seepage through curing.
As shown in Figure 5, the fixed leg 19 corresponding fixing holes 22 on the described kettle body bottom 20 on setting and the connecting ring 16, described fixed leg is inserted in the fixing hole.Described kettle body bottom 20 edges are provided with anti-overflow sealing ring 23, be provided with upper electric coupler 21 in the middle of below the described kettle body bottom 20, tapping screw 30 is passed three fixing holes 22 of kettle body bottom be connected with 3 fixed legs 19 on the connecting ring 16 and screw, just formed all-in-one-piece ceramic kettle at this moment.This kind structure has satisfied electric elements and has been installed in the safety requirements in the ceramic kettle and heats the temperature control requirement.
Embodiment two
As shown in Figure 6 and Figure 7, the kettle body 1 of this ceramic kettle is elongated low capacity type, and ceramic kettle lid 3 is stamped on described kettle body 1 top, and the handle 2 that is provided with on kettle body 1 sidewall is common curved handle; The top of the kettle body 1 of described ceramic kettle is fluid chamber 32, the bottom is heating temperature control chamber 6, described heating temperature control chamber 6 inwalls are provided with a circle boss 8 and a figure groove 7, described boss 8 is positioned at the top of groove 7,6 tops, described heating temperature control chamber also are provided with heatable soleplate 9, and described heatable soleplate 9 is separated into two separate space with fluid chamber 32 and described heating temperature control chamber 6.As shown in Figure 7, described heatable soleplate 9 is provided with heating 10, temperature controller 12, screw hole 15, fastening shell fragment 13 and fixing locking plate 17, described fixedly locking plate 17 is distributed on the heatable soleplate, and protrude in the outer rim of heatable soleplate 9, described heating 10 is the PTC heating, described heating 10 forms integral body with heatable soleplate 9 rivetings, and this structure has the saving energy, safe and reliable advantage.Described temperature controller 12 fastened shell fragments 13 are withheld securely and be used to control temperature on the lower planes of heatable soleplate 9; Described heatable soleplate 9 by 4 fixedly locking plate 17 be inlaid in the groove 7 of heating temperature control chamber 6 inwalls, engage with 8 of boss simultaneously, as shown in Figure 6,8 of described heatable soleplate 9 and boss pass through perfusion thermostable silicone rubber 31, after solidifying, play good sealing function, it is loosening that this structure is difficult for heatable soleplate 9, and sealing is good.Described kettle body 1 bottom also is provided with kettle body bottom 20, described kettle body bottom 20 is provided with fixed leg 19, upper electric coupler 21, fixing hole 22, described kettle body bottom 20 edges are provided with anti-overflow sealing ring 23, screw 29 by described fixing hole 22 with the insulation heat-insulating base 18 with kettle body bottom 20 be connected with heatable soleplate 9 screw formation an integral body.Compare with embodiment one, reduced connecting ring 16 and thermal cut-off 14, described fixed leg 19 is set directly on the kettle body bottom 20, and fixedly locking plate 17 is set directly on the heatable soleplate 9.
Should understand under the situation that does not break away from the utility model scope, can make various improvement to above-mentioned specific embodiment, for example: embodiment one can use other piers except that the base of doing explanation.Heating among the embodiment two is not limited to heatings such as using electrothermal tube, PTC heater element.Use together applicable to other electrical heating elements that are installed in the heating temperature control chamber 6.The utility model does not limit to preparation coffee, cocoa, boils milk, heat wine, water heating, is applicable to Other Drinks and Baoshang, a kind of structure of decocting medicinal herbs to prepare yet.
Claims (10)
1, a kind of electric-heating ceramic kettle comprises base and is arranged at ceramic kettle on the base; It is characterized in that,
The top of the kettle body of described ceramic kettle is fluid chamber, and the bottom is heating temperature control chamber, is provided with the heatable soleplate that fluid chamber and described heating temperature control chamber is separated into two separate space between described fluid chamber and the described heating temperature control chamber;
On the described heatable soleplate one side down heating and temperature controller are set;
The bottom of described kettle body is provided with kettle body bottom, on the described kettle body bottom upper electric coupler is set;
Be provided with in the middle of the described base top and the corresponding electric coupler down of upper electric coupler;
Described heating, temperature controller, upper electric coupler and following electric coupler are connected in series by lead.
2, electric-heating ceramic kettle according to claim 1 is characterized in that, along the inwall that heats the temperature control chamber one circle boss is set, and links together by filling thermostable silicone rubber between the outer rim of described heatable soleplate and boss.
3, electric-heating ceramic kettle according to claim 2 is characterized in that, along the inwall that heats the temperature control chamber one circle groove is set, and described groove is positioned at the bottom of boss; At least one the fixing locking plate protrude in the heatable soleplate outer rim is set on the described heatable soleplate, and described fixedly locking plate is inserted in the groove.
4, electric-heating ceramic kettle according to claim 3, it is characterized in that, described kettle body bottom is provided with the fixed leg of at least one hollow towards a side of heatable soleplate, be provided with on the kettle body bottom of fixed leg and have the fixing hole that is communicated with fixed leg, be provided with and the corresponding screw hole of fixed leg on the described heatable soleplate, wear screw in described fixing hole, fixed leg and the screw hole, heatable soleplate and kettle body bottom are linked together.
5, electric-heating ceramic kettle according to claim 4 is characterized in that, described heating and heatable soleplate riveting together, described temperature controller is withheld on heatable soleplate by fixation spring tab.
6, electric-heating ceramic kettle according to claim 1 is characterized in that, also comprises thermal cut-off, and described temperature controller and thermal cut-off are withheld on heatable soleplate by fixation spring tab; On the described heatable soleplate one side down U-lag is set, described heating is flush-mounted in the U-lag.
7, electric-heating ceramic kettle according to claim 6 is characterized in that,
Be connected with connecting ring on the described heatable soleplate one side down, at least one fixedly fixed leg and insulation heat-insulating base of locking plate, at least one hollow are set on the described connecting ring, described fixedly locking plate protrudes in the outer rim of connecting ring, be provided with on the described heatable soleplate and the corresponding screw hole of insulation heat-insulating base, wear screw in insulation heat-insulating base and the screw hole, heatable soleplate and connecting ring are linked together;
The inwall in described heating temperature control chamber is provided with a circle groove, and described groove is positioned at the bottom of boss; Fixedly locking plate setting-in on the described connecting ring is in the groove that heats on the temperature control cavity wall;
Be provided with and the corresponding fixing hole of fixed leg on the described kettle body bottom, described fixed leg is inserted in the fixing hole.
8, electric-heating ceramic kettle according to claim 1 is characterized in that, described kettle body bottom outer rim is provided with the anti-overflow sealing ring with heating temperature control cavity wall touching position.
9, electric-heating ceramic kettle according to claim 1, it is characterized in that, described handle comprises the column handle, is connected the handle connecting axle and the taper knob of handle one end, and an end of described taper knob is arranged on the kettle body side wall, and described handle connecting axle is connected on the other end of taper knob.
According to claim 4 or 7 described electric-heating ceramic kettles, it is characterized in that 10, described fixedly locking plate is four, be distributed on heatable soleplate or the connecting ring; Described fixed leg is three, is distributed on kettle body bottom or the connecting ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201173629U CN201223213Y (en) | 2008-06-23 | 2008-06-23 | Electrical heating ceramic kettle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU2008201173629U CN201223213Y (en) | 2008-06-23 | 2008-06-23 | Electrical heating ceramic kettle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201223213Y true CN201223213Y (en) | 2009-04-22 |
Family
ID=40596091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU2008201173629U Expired - Fee Related CN201223213Y (en) | 2008-06-23 | 2008-06-23 | Electrical heating ceramic kettle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201223213Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102342746A (en) * | 2011-09-30 | 2012-02-08 | 董晓波 | Ceramic liquid heater |
CN107456076A (en) * | 2017-07-14 | 2017-12-12 | 广西浙缘农业科技有限公司 | A kind of anti-overflow hot-water bottle |
-
2008
- 2008-06-23 CN CNU2008201173629U patent/CN201223213Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102342746A (en) * | 2011-09-30 | 2012-02-08 | 董晓波 | Ceramic liquid heater |
CN102342746B (en) * | 2011-09-30 | 2014-04-23 | 董晓波 | Ceramic liquid heater |
CN107456076A (en) * | 2017-07-14 | 2017-12-12 | 广西浙缘农业科技有限公司 | A kind of anti-overflow hot-water bottle |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101611990B (en) | Electric-heating ceramic kettle | |
CN202874955U (en) | Tightly-cover slow-stew pot | |
CN102028402A (en) | Inner container heating structure of electric kettle | |
CN201223213Y (en) | Electrical heating ceramic kettle | |
CN101856195A (en) | Multifunctional tea-boiling utensil | |
CN204813350U (en) | Health preserving kettle | |
CN206612598U (en) | A kind of Double-layer electric cooker | |
CN213371348U (en) | Steaming and baking oven structure | |
CN201806523U (en) | Novel egg steamer | |
CN204351612U (en) | Kettle | |
WO2006000146A1 (en) | An electroheating vesselo for boiling beverage and a cordless electroheating vessel for boiling beverage including the electroheating vessel for boiling beverage | |
CN203662534U (en) | Multifunctional electric heating pot allowing pot body to be detached from heating element | |
CN202408473U (en) | Electric kettle | |
CN205031011U (en) | Novel electric cooker | |
CN202489768U (en) | Electric heating film type multilayer electric steamer | |
CN201076371Y (en) | Electric hot water boiler liner | |
CN220089205U (en) | Multifunctional pressure electric cooker | |
CN215383134U (en) | Integral detachable electric cooker | |
CN217185652U (en) | Cooked food processing heat conduction pot convenient to cook | |
CN109316063A (en) | A kind of heat-preservation double-layer electric heating kettle | |
CN103654361A (en) | Slow cooker | |
KR0132743Y1 (en) | Heating device of electric rice cooker | |
CN218457909U (en) | Novel ceramic electric kettle structure | |
CN212465725U (en) | Intelligent kettle of hotel | |
CN2420957Y (en) | Multifunctional fast electric rice pot |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090422 Termination date: 20130623 |