US20100089384A1 - Modular burner with an optimized supply for a hob - Google Patents

Modular burner with an optimized supply for a hob Download PDF

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Publication number
US20100089384A1
US20100089384A1 US12/449,863 US44986308A US2010089384A1 US 20100089384 A1 US20100089384 A1 US 20100089384A1 US 44986308 A US44986308 A US 44986308A US 2010089384 A1 US2010089384 A1 US 2010089384A1
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US
United States
Prior art keywords
burner
frame
modular
distribution chamber
burner according
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.)
Abandoned
Application number
US12/449,863
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English (en)
Inventor
Enzo Inzaghi
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.)
Steel Time SpA
Original Assignee
Steel Time SpA
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 Steel Time SpA filed Critical Steel Time SpA
Assigned to STEEL TIME S.P.A. reassignment STEEL TIME S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: INZAGHI, ENZO
Publication of US20100089384A1 publication Critical patent/US20100089384A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
    • F23D14/06—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner with radial outlets at the burner head
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/08—Arrangement or mounting of burners
    • F24C3/085—Arrangement or mounting of burners on ranges

Definitions

  • the present invention regards a modular burner with an optimised supply for a hob of a cooking appliance.
  • Hobs for cookers bearing a plurality of burners arranged at the centre of hobs and provided with underlying holders adapted to collect the drippings and food remnants overflowing from the cooking containers, have been known over the years.
  • Such burners are usually made circular-shaped and they are provided with a plurality of holes or grooves around the circumference for releasing gas, flame spreaders, through which the flame is distributed to heat the bottom of the container.
  • both the hob and holder have a central opening of relatively big dimensions, passed through by the burner, providing in such zone an expansion vessel which is in turn covered by a lid provided with flame spreader grooves.
  • Hobs of the abovementioned type are already outdated, given that recessed hobs and generally hobs occupying less vertical space are used in modern cookers.
  • burners provided with supply nozzles and small mixing chambers having throttles to exploit the Venturi principle to suction primary air depending on the conditions both above or beneath the hob and to mix it with the supplied gas.
  • FIGS. 1 and 2 Schematic examples of such embodiments according to the known technique are indicated in FIGS. 1 and 2 , where the same elements are indicated with the same references.
  • FIG. 1 schematically illustrates a burner 1 with primary air suction A 1 beneath the hob, while the burner 1 ′, illustrated in FIG. 2 provides for the suction of the primary air above the hob.
  • Both burners 1 , 1 ′ comprise a body 2 , a head 3 , a nozzle 4 for gas supply G, a throttle or a horizontal Venturi pipe facing the nozzle for suctioning the primary air A 1 .
  • a mixing chamber 6 having the flame spreaders 7 from which the mixture is released to be ignited and to mix with the secondary air A 2 .
  • Embodiments according the known technique are intended for burners with one or more flame crowns (usually circular) supplied by a single nozzle.
  • a drawback of such burners lies in the fact that regardless the presence of the horizontal Venturi pipe, suctioning and the subsequent mixing of primary air is limited, by the configuration of the burner, to a single pipe and to the corresponding mixing chamber hence the combustion cannot be complete and the burner cannot be efficient.
  • the general objective of the present invention is that of overcoming the abovementioned drawbacks of the known art providing a modular burner with an optimised supply for a hob.
  • a particular objective of the present invention is that of providing a modular burner of an easily variable power depending on the use conditions.
  • FIGS. 1 and 2 are raised sectional schematic views of two burners according to the known art
  • FIGS. 3 a and 3 b are perspective views, respectively seen from the top and from below, of the burner according to the invention.
  • FIG. 3 c is a raised sectional view of a portion of a burner of FIGS. 3 a , 3 b;
  • FIGS. 4 a and 4 b are perspective views respectively, seen from the top and from below, of a detail of the burner of FIGS. 3 a , 3 b according to the invention;
  • FIGS. 4 c - 4 e are respectively a plan view, alongside sectional front and side views of a detail of the burner of FIGS. 4 a , 4 b according to the invention;
  • FIG. 5 is a raised sectional view of the burner of FIGS. 3 a and 3 b;
  • FIG. 6 is a perspective exploded view of the base of the burner according to the invention.
  • FIGS. 7 and 8 show a burner babe according to the invention in a perspective view, respectively seen from above and below;
  • FIG. 9 is an exploded perspective view of the burner according to the invention.
  • FIGS. 10 a and 10 b respectively show a plan and raised view of a burner according to the invention
  • FIGS. 11 a and 11 b are perspective views, respectively seen from above and below, of a burner according to a different embodiment of the invention.
  • FIG. 11 c is a raised sectional view of a portion of the burner of FIGS. 11 a , 11 b;
  • FIGS. 12 a and 12 b are perspective views, respectively seen from above and below, of a detail of the burner of FIGS. 11 a , 11 b;
  • FIGS. 12 c - 12 e are respectively a plan view, alongside sectional front and side views of a detail of the burner of FIGS. 12 a , 12 b;
  • FIGS. 13 a and 13 b are perspective views, respectively seen from above and below, of a burner according to a different embodiment of the invention.
  • FIG. 13 c is a raised sectional view of a portion of the burner of FIGS. 13 a , 13 b;
  • FIGS. 14 a and 14 b are perspective views, respectively seen from above and below, of a detail of the burner of FIGS. 13 a , 13 b;
  • FIGS. 14 c - 14 e are respectively a plan view, alongside sectional front and side views of a detail of the burner of FIGS. 14 a , 14 b;
  • FIGS. 15 a and 15 b are perspective views, respectively seen from above and below, of a burner according to a different embodiment of the invention.
  • FIG. 15 c is a raised sectional view of a portion of the burner of FIGS. 15 a , 15 b;
  • FIG. 16 shows a plan view of the burner according to FIGS. 15 a , 15 b;
  • FIGS. 17 and 18 a , 18 b show a perspective view of the same number of details of the burner according to FIGS. 15 a , 15 b;
  • FIG. 19 shows an exploded perspective view of the burner according to FIGS. 15 a , 15 b;
  • FIGS. 20 a and 20 b show a perspective view, respectively seen from above and below, of the base of the burner according to FIGS. 15 a , 15 b.
  • a modular burner 10 intended for a hob of a cooking appliance comprises a base body 20 in turn comprising a frame 22 exemplified in a non-limiting manner as quadrangular-shaped, a burner base 21 centrally mountable onto the frame 22 , at least one lid, preferably an external lid 11 and an internal lid separated and respectively intended to close the frame 22 and the burner base 21 on the upper part.
  • the frame comprises four arms of which one to three of the support arms 23 and at least one burner arm 24 extend radially towards the centre of the same.
  • FIGS. 3 a - 14 e of the burner provided are three support arms 23 projecting from the centre of three sides of the frame and a burner arm 24 projecting from the centre of the remaining side 22 ′.
  • the burner arm 24 is thus U-shaped and it is connected to a channel 29 ′ connected to a longitudinal recess 73 provided on the side 22 ′ of the frame 22 .
  • the recess 73 closed on the upper part by the lid 11 , is in turn connected to a distribution chamber 60 for supplying and distributing gas to the entire burner base 21 , through at least one opening 71 provided with a throttle 72 passing through the bottom of the recess itself.
  • the burner arm 24 has flame spreader grooves 30 made along the edge of the flaps 35 of the U-shape to allow, along such section, lighting up of the flame.
  • each support arm 23 Provided at the end facing inwards the frame of each support arm 23 is a seat 31 adapted to accommodate the corresponding ends of the burning base 21 and allow its fastening.
  • the burner arm 24 is provided with a lower bracket 38 adapted to be connected to a corresponding lower abutment 37 extending from the burner base 21 .
  • the burner base 21 is provided with radial channels 27 configured in such a manner to correspond to the arms 23 , 24 in such a manner to be supported by the latter and allow the circulation of the gas provided by the channel 29 ′.
  • the burner base 21 further comprises a crown 26 provided with a central opening 28 for aeration, with channels 27 extending radially from said crown.
  • Three of the channels 27 are each provided at their open ends with a bracket 32 intended for one of the three arms 23 .
  • the fourth channel 27 is preset to be connected to the burner arm 24 and provides a lower abutment 37 for this purpose.
  • Both the crown 26 and the channels 27 are U-shaped with flaps 35 and a bottom 36 .
  • the three channels 27 intended for connection with the three support arms 23 are further provided with a transverse septum 34 which closes the channel at its end to be inserted into the seat 31 .
  • the fourth channel 27 intended to be connected with the burner arm 24 is U-shaped and provided with an open pipe 29 , to be connected to the channel 29 ′ to allow gas delivery to the burner.
  • flame spreader grooves 30 Provided along the edges of the flaps 35 are flame spreader grooves 30 .
  • lids 11 and 12 seal fixed by means of screws.
  • first and second flaps 13 and 13 ′ are provided on the upper part of such lids 11 , 12 for holding the cooking containers at a raised position with respect to the burner, the first flaps 13 are provided for extending from the external lid 11 while the second flaps extend from the internal lid 12 for holding smaller cooking containers.
  • the external lid 11 is thus provided corresponding to the frame 22 .
  • the internal lid 12 is made corresponding to the burner base 21 , in particular it comprises four plates 17 projecting radially from a central crown 16 configured in a manner such to correspond respectively to the radial channels 27 and to the crown 26 of the burner base.
  • the internal lid 12 is further provided with an opening corresponding to the aeration opening 28 of the burner base.
  • a holder 78 for collecting the drippings Fixed beneath the frame 22 is a holder 78 for collecting the drippings, provided with a perimeter fixing edge 78 ′, corresponding to the shape of the frame 22 and provided with an opening 79 extended along the side 22 ′ of the frame from which the burner arm 24 extends.
  • the quadrangular shape of the plate preferably squared, allows manufacturing modular cookers made up of a limited number of different components, guaranteeing considerable saving in terms of production costs.
  • the distribution chamber 60 is made oblong-shaped in such a manner to substantially extend along the entire side 22 ′ of the frame 22 from which the burner arm 24 extends centrally.
  • the distribution chamber 60 thus comprises a tray 64 contoured by a perimeter edge 65 through which it is fixed beneath the frame 22 with the perimeter edge 78 ′of the holder 78 interposed at the opening 79 of such perimeter edge 78 ′.
  • the distribution chamber 60 is supplied through a main gas pipe 61 ending in at least one coupling 62 which is inserted into the tray 64 .
  • the distribution chamber is supplied at three separate and equispaced supply positions, provided by means of inlet pipes 67 connected to three couplings 62 to each one of which a branching of the main gas pipe 61 is connected.
  • the inlet pipes 67 are provided inside the lugs 63 provided with reinforcement ribs 69 connected to the external of the distribution chamber 60 beneath the tray 64 and fixed to the perimeter edge 65 of the latter.
  • each inlet pipe is perpendicularly connected to a channel 68 which passes through the bottom of the tray 64 and it is preset to accommodate a nozzle 70 .
  • Each of the three nozzles 70 faces the bottom of the frame 22 arranged over the tray 64 directly beneath the opening 71 .
  • the opening 71 and the related throttle 72 ending up in the recess 73 in practice provide a Venturi pipe.
  • the side 22 ′ is provided on the lower part of the frame, along the entire length of the sides of the primary air delivery fittings 75 to allow suctioning through the depression caused by the gas emitted by the nozzle which passes through the Venturi pipe provided by the opening 71 with the related throttle 72 which ends up in the recess 73 .
  • Such three nozzled distribution chamber is intended for high power burners to exploit the gas/air mixture to the maximum.
  • the burner according to the invention is susceptible to advantageous construction variants.
  • FIGS. 11 a - 12 e illustrated is a different embodiment in which the distribution chamber 160 is provided with a single central nozzle 70 supplied by the pipe 61 with a relative coupling 62 of the related inlet pipe 67 .
  • Venturi pipe defined by the opening 71 , throttle 72 ending up in the recess 73 , the other characteristics remaining substantially identical to the three nozzled embodiment.
  • a distribution chamber 260 has two nozzles 70 supplied by the pipe 61 with the related two fittings 62 each regarding the related inlet pipe 67 .
  • two Venturi pipes each defined by the opening 71 , throttle 72 ending up in the recess 73 , the other characteristics remaining substantially identical to the three nozzled embodiment.
  • FIGS. 15 a - 20 b Another different embodiment of the invention is illustrated in FIGS. 15 a - 20 b and it is intended for high power flames.
  • a first distribution chamber 260 provides for two nozzles and a second distribution chamber 60 provides for three nozzles, with the related characteristics described previously.
  • the frame 22 is consequently provided with two sides 22 ′ departing from which are two burner arms 24 for a more substantial supply of air/gas mixture hence the square-shaped frame is provided with two support arms 23 .
  • the perimeter edge 78 ′ of the holder 78 is correspondingly provided with two openings 79 to allow the passage of gas from the two distribution chambers.
  • a double burner 100 with a low flame and a high flame in order to obtain the highest flow rate of the fuel provided by the two distribution chambers, provided for is a double burner 100 with a low flame and a high flame.
  • the double burner 100 thus comprises the base body 20 which in turn comprises the frame 22 intended to surround a double crown burner, provided with a burner base 121 with an external crown 122 and an internal crown 123 connected.
  • a lid 111 of the double crown burner in turn provided with an external crown 112 and an internal crown 113 .
  • the two burner arms 24 of the frame 22 supply a first channel 127 ′ and a second channel 127 ′′ of the burner base.
  • the first channel 127 ′ connected to the three nozzled distribution chamber 60 , feeds the external crown while the second channel 127 ′′ connected to the two nozzled distribution chamber 260 feeds the internal crown.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
US12/449,863 2007-03-07 2008-03-06 Modular burner with an optimized supply for a hob Abandoned US20100089384A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITMI2007A000451 2007-03-07
IT000451A ITMI20070451A1 (it) 2007-03-07 2007-03-07 Bruciatore modulare ad alimentazione ottimizzata per pistra di cottura
PCT/IB2008/000717 WO2008107794A2 (en) 2007-03-07 2008-03-06 Modular burner with an optimised supply for a hob

Publications (1)

Publication Number Publication Date
US20100089384A1 true US20100089384A1 (en) 2010-04-15

Family

ID=39738875

Family Applications (1)

Application Number Title Priority Date Filing Date
US12/449,863 Abandoned US20100089384A1 (en) 2007-03-07 2008-03-06 Modular burner with an optimized supply for a hob

Country Status (6)

Country Link
US (1) US20100089384A1 (zh)
EP (1) EP2118571B1 (zh)
CN (1) CN101663540B (zh)
IT (1) ITMI20070451A1 (zh)
RU (1) RU2459151C2 (zh)
WO (1) WO2008107794A2 (zh)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110000477A1 (en) * 2007-12-05 2011-01-06 Kwon Jung-Ju Nozzle assembly and cooking appliance
US20140209088A1 (en) * 2010-12-22 2014-07-31 Sabaf S.P.A. Gas burner
RU2597270C2 (ru) * 2011-07-29 2016-09-10 Индезит Компани С.П.А. Газовая горелка, в частности, для прибора для приготовления пищи
US20170276374A1 (en) * 2016-03-22 2017-09-28 General Electric Company Illuminated Cooktop Burner Appliance
US20180142897A1 (en) * 2016-11-22 2018-05-24 Haier Us Appliance Solutions, Inc. Cooktop appliance with a gas burner assembly
US20180142898A1 (en) * 2016-11-21 2018-05-24 Haier Us Appliance Solutions, Inc. Gas burner assembly for a cooktop appliance
US20190368739A1 (en) * 2018-05-31 2019-12-05 Haier Us Appliance Solutions, Inc. Eductor for a gas cooktop appliance
US10816215B2 (en) * 2009-11-23 2020-10-27 Whirlpool Corporation Diffusion cap burner for gas cooking appliance

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3023701B1 (de) * 2014-10-21 2023-06-07 BSH Electrodomésticos España, S.A. Kochfeld
CN110056876B (zh) * 2015-12-02 2021-01-08 芜湖美的厨卫电器制造有限公司 燃烧器和具有其的热水器
CN112236619B (zh) * 2018-06-25 2023-10-03 伊莱克斯家用电器股份公司 燃气燃烧器组件和包括至少一个燃气燃烧器组件的燃气烹饪器具

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2100292A (en) * 1936-07-17 1937-11-23 Floyd Wells Company Burner forming grid
US2148777A (en) * 1937-11-06 1939-02-28 Floyd Wells Company Gas burner and support therefor
US2497787A (en) * 1945-05-01 1950-02-14 Roberts & Mander Corp Burner assembly
US3202203A (en) * 1962-11-16 1965-08-24 Zink Co John Burner for gaseous fuels
US3606612A (en) * 1969-10-20 1971-09-20 Columbia Gas Syst Gas burner and control
US6095131A (en) * 1999-01-06 2000-08-01 Huang; Fan-Ming Compact gas range
US6604519B1 (en) * 1998-09-08 2003-08-12 Krampouz Gas apparatus for heating and/or cooking food

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Publication number Priority date Publication date Assignee Title
IT1318126B1 (it) * 2000-07-06 2003-07-23 Sabaf Spa Bruciatore con separatore interno
CN2484479Y (zh) * 2001-03-28 2002-04-03 上海山富燃气用具有限公司 组合式家用燃气灶的燃烧器
ITTO20020101U1 (it) * 2002-05-20 2003-11-20 Merloni Elettrodomestici Spa Bruciatore di gas per piano di cottura domestico.
KR100908352B1 (ko) * 2002-11-12 2009-07-20 사바프 에스. 피. 에이. 개별적인 화염공급크라운부를 갖춘 가스버너
ITUD20030137A1 (it) 2003-06-23 2004-12-24 Sami Srl Bruciatore a tripla corona.
ES2692493T3 (es) * 2003-09-05 2018-12-03 Electrolux Home Products Corporation N.V. Quemador de gas
ITMC20050036A1 (it) * 2005-04-29 2006-10-30 So M I Press Societa Metalli Iniettati Spa Doppio bruciatore per fornelli a gas, a piu' corone concentriche di fiamme, ad elevata potenza.
ITMI20050837A1 (it) 2005-05-11 2006-11-12 Enzo Inzaghi Piano di cottura con distribuzione delle fiamme ottimizzata

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2100292A (en) * 1936-07-17 1937-11-23 Floyd Wells Company Burner forming grid
US2148777A (en) * 1937-11-06 1939-02-28 Floyd Wells Company Gas burner and support therefor
US2497787A (en) * 1945-05-01 1950-02-14 Roberts & Mander Corp Burner assembly
US3202203A (en) * 1962-11-16 1965-08-24 Zink Co John Burner for gaseous fuels
US3606612A (en) * 1969-10-20 1971-09-20 Columbia Gas Syst Gas burner and control
US6604519B1 (en) * 1998-09-08 2003-08-12 Krampouz Gas apparatus for heating and/or cooking food
US6095131A (en) * 1999-01-06 2000-08-01 Huang; Fan-Ming Compact gas range

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110000477A1 (en) * 2007-12-05 2011-01-06 Kwon Jung-Ju Nozzle assembly and cooking appliance
US10816215B2 (en) * 2009-11-23 2020-10-27 Whirlpool Corporation Diffusion cap burner for gas cooking appliance
US10247410B2 (en) * 2010-12-22 2019-04-02 Sabaf S.P.A. Gas burner
US20140209088A1 (en) * 2010-12-22 2014-07-31 Sabaf S.P.A. Gas burner
RU2597270C2 (ru) * 2011-07-29 2016-09-10 Индезит Компани С.П.А. Газовая горелка, в частности, для прибора для приготовления пищи
EP2737250B1 (en) * 2011-07-29 2017-09-27 Whirlpool EMEA S.p.A Gas burner, in particular for a food cooking appliance
US10401034B2 (en) * 2016-03-22 2019-09-03 Haier Us Appliance Solutions, Inc. Illuminated cooktop burner appliance
US20170276374A1 (en) * 2016-03-22 2017-09-28 General Electric Company Illuminated Cooktop Burner Appliance
US20180142898A1 (en) * 2016-11-21 2018-05-24 Haier Us Appliance Solutions, Inc. Gas burner assembly for a cooktop appliance
US10330326B2 (en) * 2016-11-21 2019-06-25 Haier Us Appliance Solutions, Inc. Gas burner assembly for a cooktop appliance
US20180142897A1 (en) * 2016-11-22 2018-05-24 Haier Us Appliance Solutions, Inc. Cooktop appliance with a gas burner assembly
US10641494B2 (en) * 2016-11-22 2020-05-05 Haier Us Appliance Solutions, Inc. Cooktop appliance with a gas burner assembly
US20190368739A1 (en) * 2018-05-31 2019-12-05 Haier Us Appliance Solutions, Inc. Eductor for a gas cooktop appliance
US11085645B2 (en) * 2018-05-31 2021-08-10 Haier Us Appliance Solutions, Inc. Eductor for a gas cooktop appliance

Also Published As

Publication number Publication date
CN101663540B (zh) 2012-02-08
RU2459151C2 (ru) 2012-08-20
WO2008107794A3 (en) 2009-09-24
EP2118571A2 (en) 2009-11-18
ITMI20070451A1 (it) 2008-09-08
RU2009132880A (ru) 2011-04-20
CN101663540A (zh) 2010-03-03
EP2118571B1 (en) 2012-05-16
WO2008107794A2 (en) 2008-09-12

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AS Assignment

Owner name: STEEL TIME S.P.A.,ITALY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:INZAGHI, ENZO;REEL/FRAME:023193/0907

Effective date: 20090727

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO PAY ISSUE FEE