CA2464096C - Front access interlocking modular cell tray assembly - Google Patents
Front access interlocking modular cell tray assembly Download PDFInfo
- Publication number
- CA2464096C CA2464096C CA002464096A CA2464096A CA2464096C CA 2464096 C CA2464096 C CA 2464096C CA 002464096 A CA002464096 A CA 002464096A CA 2464096 A CA2464096 A CA 2464096A CA 2464096 C CA2464096 C CA 2464096C
- Authority
- CA
- Canada
- Prior art keywords
- cell tray
- wall
- structure means
- interlocking structure
- base
- 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
- 210000004027 cell Anatomy 0.000 claims 25
- 210000002421 cell wall Anatomy 0.000 claims 1
- 239000002253 acid Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/06—Lead-acid accumulators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
Front access interlocking modular cell tray assembly (10) having a base (11) and a plurality of stacked cell trays (12) thereon, having battery cell receiving areas (45), and each cell tray having front (60) and rear (25) interlocking structure on the top and bottom to engage with complemental front and rear interlocking structure on the base (11) and individual stacked cell trays(12).
Description
FRONT ACCESS INTERLOCKING
MODULAR CELL TRAY ASSEMBLY
BACKGROUND OF THE INVENTION
Field of the Invention This invention relates to a modular cell tray assembly for lead-acid batteries, which assembly is of the front access interlock type.
DESCRIPTION OF THE PRIOR ART
In the prior art, it has been known to provide modular cell tray assemblies, which contain a plurality of cells, which are connected together to form batteries for use as stand by, or uninterruptible power supplies, for use by computer systems, or for other applications where uninterruptible power supplies are required. Such systems typically use a plurality of sealed lead-acid cells, which cells are connected together in series, or parallel, to form batteries, which provide the power source.
Lead-acid cells are the cells of choice, and are heavy, with a typical weight range of 20 to 210 pounds. The quantity of cells required for an installation may be 12 to 240 cells, which requires a heavy-duty storage facility. The nature of the power system requirements is such that the systems, which are used in industries such as the communications industry, are required to be capable of withstanding high seismic conditions of the type experienced in zone 4 applications.
In addition, the systems must be capable of frontal access for changing power requirements, and repair or replacement of cells, with the systems often in locations where access to the rear of the systems may be difficult, or dangerous.
i Various modular cell tray assemblies have been proposed, such as that shown in U.S. Patent No. 5,227,266 to Schaffer et al, U.S. Patent No.
5,304,434 to Stone and U.S. Patent No. 5,980,101 to Stone which systems may suffer from various undesirable features.
The front access interlock modular cell tray assembly of the invention provides for safe securement of the individual cells, while providing improved accessibility and securement of the cell trays, and is suitable for zone 4 applications.
SUMMARY OF THE INVENTION
A front access interlocking modular cell tray assembly, which has a plurality of cell trays, which are stacked one upon the other, and interlocked at the front and back by a wedged construction, with cell receiving areas to receive a plurality of individual cells, which cells are connected together to form batteries to provide a power supply. The individual cell trays include a bottom wall, a top wali, and side walls connecting the top and bottom walls, with front and rear interlocking structure provided on both the top and bottom walls, whereby the individual cell trays can be locked together to form the system, and unlocked for repair or replacement without requiring access to the rear of the trays.
The principal object of the invention is to provide a front access interlocking modular cell tray assembly.
A further object of the invention is to provide a cell tray assembly which meets the seismic requirements for zone 4 applications.
MODULAR CELL TRAY ASSEMBLY
BACKGROUND OF THE INVENTION
Field of the Invention This invention relates to a modular cell tray assembly for lead-acid batteries, which assembly is of the front access interlock type.
DESCRIPTION OF THE PRIOR ART
In the prior art, it has been known to provide modular cell tray assemblies, which contain a plurality of cells, which are connected together to form batteries for use as stand by, or uninterruptible power supplies, for use by computer systems, or for other applications where uninterruptible power supplies are required. Such systems typically use a plurality of sealed lead-acid cells, which cells are connected together in series, or parallel, to form batteries, which provide the power source.
Lead-acid cells are the cells of choice, and are heavy, with a typical weight range of 20 to 210 pounds. The quantity of cells required for an installation may be 12 to 240 cells, which requires a heavy-duty storage facility. The nature of the power system requirements is such that the systems, which are used in industries such as the communications industry, are required to be capable of withstanding high seismic conditions of the type experienced in zone 4 applications.
In addition, the systems must be capable of frontal access for changing power requirements, and repair or replacement of cells, with the systems often in locations where access to the rear of the systems may be difficult, or dangerous.
i Various modular cell tray assemblies have been proposed, such as that shown in U.S. Patent No. 5,227,266 to Schaffer et al, U.S. Patent No.
5,304,434 to Stone and U.S. Patent No. 5,980,101 to Stone which systems may suffer from various undesirable features.
The front access interlock modular cell tray assembly of the invention provides for safe securement of the individual cells, while providing improved accessibility and securement of the cell trays, and is suitable for zone 4 applications.
SUMMARY OF THE INVENTION
A front access interlocking modular cell tray assembly, which has a plurality of cell trays, which are stacked one upon the other, and interlocked at the front and back by a wedged construction, with cell receiving areas to receive a plurality of individual cells, which cells are connected together to form batteries to provide a power supply. The individual cell trays include a bottom wall, a top wali, and side walls connecting the top and bottom walls, with front and rear interlocking structure provided on both the top and bottom walls, whereby the individual cell trays can be locked together to form the system, and unlocked for repair or replacement without requiring access to the rear of the trays.
The principal object of the invention is to provide a front access interlocking modular cell tray assembly.
A further object of the invention is to provide a cell tray assembly which meets the seismic requirements for zone 4 applications.
A further object of the invention is to provide a cell tray assembly that provides easy access for servicing and replacement.
A further object of the invention is to provide a cell tray assembly that is simple and inexpensive to construct, but sturdy and reliable in use.
A further object of the invention is to provide a cell tray assembly that can be used with a variety of end uses.
A further object of the invention is to provide a cell tray assembly that requires a minimum of space.
Other objects and advantageous features of the invention will be apparent from the description and claims.
DESCRIPTION OF THE DRAWINGS
The nature and characteristic features of the invention will be more readily understood from the following description taken in connection with the accompanying drawings forming part hereof in which:
FIG. 1 is a front exploded perspective view of the wedge interlocked modular cell tray assembly of the invention with a single cell tray;
FIG . 2 is a view similar to FIG. 1, but taken from the rear of the assembly;
FIG. 3 is a front partially exploded perspective view, illustrating the assembly with two cell trays;
FIG. 4 is a front perspective view of the cell tray assembly in assembled condition;
FIG. 5 is a right side elevational view of the assembly, illustrating assembly of cell trays, and FIG. 6 is a fragmentary perspective view, enlarged, illustrating a portion of the rear interlocking structure.
It should of course be understood that the description and drawings herein are merely illustrative, and that various modifications and changes can be made in the methods, structures, and embodiments disclosed without departing from the spirit of the invention.
A further object of the invention is to provide a cell tray assembly that is simple and inexpensive to construct, but sturdy and reliable in use.
A further object of the invention is to provide a cell tray assembly that can be used with a variety of end uses.
A further object of the invention is to provide a cell tray assembly that requires a minimum of space.
Other objects and advantageous features of the invention will be apparent from the description and claims.
DESCRIPTION OF THE DRAWINGS
The nature and characteristic features of the invention will be more readily understood from the following description taken in connection with the accompanying drawings forming part hereof in which:
FIG. 1 is a front exploded perspective view of the wedge interlocked modular cell tray assembly of the invention with a single cell tray;
FIG . 2 is a view similar to FIG. 1, but taken from the rear of the assembly;
FIG. 3 is a front partially exploded perspective view, illustrating the assembly with two cell trays;
FIG. 4 is a front perspective view of the cell tray assembly in assembled condition;
FIG. 5 is a right side elevational view of the assembly, illustrating assembly of cell trays, and FIG. 6 is a fragmentary perspective view, enlarged, illustrating a portion of the rear interlocking structure.
It should of course be understood that the description and drawings herein are merely illustrative, and that various modifications and changes can be made in the methods, structures, and embodiments disclosed without departing from the spirit of the invention.
DESCRIPTION OF THE PREFERRED EMBODIMENT
When referring to the preferred embodiment, certain terminology will be utilized for the sake of clarity. Use of such terminology is intended to encompass not only the described embodiment, but also technical equivalents, which operate and function in substantially the same way to bring about the same result.
Referring now more particularly to the drawings and FIGS. 1-5, the modular cell tray assembly 10 is illustrated therein. The assembly 10 includes a base 11, and a plurality of individual cell trays 12, one of which is placed on the base 10, and the rest of which are stacked and secured together to be described.
The base I 1 and cell trays 12 are preferably formed of stamped and welded steel plate.
The base 11 is of rectangular configuration, with a rear wall 15, front wall 16, and side walls 17 connecting the front and rear walls. The side walls 17 have top plates 18 extending therealong, with a set back front interlock structure 19 connected thereto, which is a"U" shaped open channel, which channel 19 has a plurality of openings 21 therein six being illustrated, with captive nuts adjacent thereto (not shown) inside channel 19.
The rear wall 15 has a rear interlocking structure 25, which is also connected to top plates 18. The rear interlocking structure 25 is a "U" shaped open channel with a vertical rear wall 26, a top wall 27, and a forwardly inclined front wall 28. The top wall 27 has a plurality of spaced tabs 29, six being iIlustrated, which extend forwardly from top wall 27. The front wall 28 has a plurality of slots 30 spaced between the tabs 29.
The cell trays 12 are of overa.ll rectangular configuration, with vertical rear walls 40, side walls 41 connected thereto, top walls 42 connecting the rear and side walls, and bottom walls 43 connecting the rear and side walls.
The cell trays 12 are open at the front, and divided into cell receiving areas 45, by vertical partition walls 46, three being illustrated, which are, fastened to the top walls 42 and bottom walls 43.
The cell trays 12 are provided with well known retaining structure (not shown) to retain the cefls (not shown) in the cell receiving areas 45.
The bottom walls 43 are provided with rear interlocking structure 50, which include a plurality of spaced, rearwardly extending tabs 51, which are intended to extend into slots 30. The structure 50 has a rearwardly inclined wall 52 with slots (not shown), for insertion of tabs 29, which wall 52 is at a complimentary angle to front wall 28, and upon insertion of tabs 51 into slots 30, and tabs 29 into slots (not shown) will contact front wall 28 and prevent vertical movement therebetween. The structure 50 also includes plates 53 at each end, which extend over the ends of rear structure 25.
The bottom walls 43 are also provided with front interlocking structures 60, which include rear walls 61, front walls 62 and bottom walls 63.
The rear walls 61 are intended to engage channels 19, and have a plurality of openings 64 to receive bolts (not shown) which are intended to engage in openings 21 and nuts (not shown) to retain the tray 12 to the base 11. The front walls 62 have openings 65 for access to the openings 64.
When referring to the preferred embodiment, certain terminology will be utilized for the sake of clarity. Use of such terminology is intended to encompass not only the described embodiment, but also technical equivalents, which operate and function in substantially the same way to bring about the same result.
Referring now more particularly to the drawings and FIGS. 1-5, the modular cell tray assembly 10 is illustrated therein. The assembly 10 includes a base 11, and a plurality of individual cell trays 12, one of which is placed on the base 10, and the rest of which are stacked and secured together to be described.
The base I 1 and cell trays 12 are preferably formed of stamped and welded steel plate.
The base 11 is of rectangular configuration, with a rear wall 15, front wall 16, and side walls 17 connecting the front and rear walls. The side walls 17 have top plates 18 extending therealong, with a set back front interlock structure 19 connected thereto, which is a"U" shaped open channel, which channel 19 has a plurality of openings 21 therein six being illustrated, with captive nuts adjacent thereto (not shown) inside channel 19.
The rear wall 15 has a rear interlocking structure 25, which is also connected to top plates 18. The rear interlocking structure 25 is a "U" shaped open channel with a vertical rear wall 26, a top wall 27, and a forwardly inclined front wall 28. The top wall 27 has a plurality of spaced tabs 29, six being iIlustrated, which extend forwardly from top wall 27. The front wall 28 has a plurality of slots 30 spaced between the tabs 29.
The cell trays 12 are of overa.ll rectangular configuration, with vertical rear walls 40, side walls 41 connected thereto, top walls 42 connecting the rear and side walls, and bottom walls 43 connecting the rear and side walls.
The cell trays 12 are open at the front, and divided into cell receiving areas 45, by vertical partition walls 46, three being illustrated, which are, fastened to the top walls 42 and bottom walls 43.
The cell trays 12 are provided with well known retaining structure (not shown) to retain the cefls (not shown) in the cell receiving areas 45.
The bottom walls 43 are provided with rear interlocking structure 50, which include a plurality of spaced, rearwardly extending tabs 51, which are intended to extend into slots 30. The structure 50 has a rearwardly inclined wall 52 with slots (not shown), for insertion of tabs 29, which wall 52 is at a complimentary angle to front wall 28, and upon insertion of tabs 51 into slots 30, and tabs 29 into slots (not shown) will contact front wall 28 and prevent vertical movement therebetween. The structure 50 also includes plates 53 at each end, which extend over the ends of rear structure 25.
The bottom walls 43 are also provided with front interlocking structures 60, which include rear walls 61, front walls 62 and bottom walls 63.
The rear walls 61 are intended to engage channels 19, and have a plurality of openings 64 to receive bolts (not shown) which are intended to engage in openings 21 and nuts (not shown) to retain the tray 12 to the base 11. The front walls 62 have openings 65 for access to the openings 64.
The top walls 42 have a front interlocking structure 651, which is simila.r to front structure 19, of "U" shaped configuration in cross section, and intended to be engaged by front interlocking structure 60 as described above.
The front structure 651 has a top wall 66, and straight vertical side walls 67 connected thereto, and also to top walls 42.
A plurality of openings 21A are provided in front side wall 67, with captive nuts (not shown) inside, and adjacent to openings 21 A to receive bolts (not shown) as described above.
The top walls 42 have rear interlocking structure 70 which includes a top wall 71 connected to rear wall 40 of cell 12, with tabs 29A extending forwardly for engagement in slots (not shown) in wall 52.
The structure 70 includes a forwardly extending inclined wall 72 connected to top wall 71, and top wall 42 with a plurality of slots 73 therein to receive tabs 51 from rear interlocking structure 50.
It will thus be seen that the objects of the invention have been achieved.
The front structure 651 has a top wall 66, and straight vertical side walls 67 connected thereto, and also to top walls 42.
A plurality of openings 21A are provided in front side wall 67, with captive nuts (not shown) inside, and adjacent to openings 21 A to receive bolts (not shown) as described above.
The top walls 42 have rear interlocking structure 70 which includes a top wall 71 connected to rear wall 40 of cell 12, with tabs 29A extending forwardly for engagement in slots (not shown) in wall 52.
The structure 70 includes a forwardly extending inclined wall 72 connected to top wall 71, and top wall 42 with a plurality of slots 73 therein to receive tabs 51 from rear interlocking structure 50.
It will thus be seen that the objects of the invention have been achieved.
Claims (2)
1. An interlocking modular cell tray assembly with front access to said modular cell tray assembly, which comprises, a base, said base having front and rear interlocking structure means, at least one stackable cell tray for assembly onto said base, said cell tray having top and bottom walls, and side walls connecting said top and bottom walls, cell receiving areas in said cell tray to receive battery cells, cell retaining means to retain said battery cells in said areas, self interlocking rear interlocking structure means on said cell tray bottom wall for engagement with said base rear interlocking structure means, said base rear interlocking structure means includes a rear wall, a top wall connected to said rear wall, a rearwardly inclined front wall, a plurality of tabs extending from said top wall, and a plurality of slots in said front wall, said rear interlocking structure means on said cell tray bottom wall includes a front wall, a bottom wall connected to said front wall, a rearwardly inclined rear wall connected to the bottom wall, a plurality of slots in said rearwardly inclined wall to receive said tabs from said cell tray bottom wall rear interlocking structure means and, a plurality of tabs extending from said cell tray interlocking structure means to engage in said slots in said base rearwardly inclined wall, whereby upon contact, said forwardly and rearwardly inclined walls provide a wedged rear interlock, front interlocking structure means on said cell tray bottom wall for engagement with said base front interlocking structure means, said base front interlocking structure means includes a "U" shaped channel, a plurality of openings in said channel, a plurality of captive nuts on said channel adjacent said openings, said cell tray front interlocking structure means on said cell tray bottom wall includes a front wall, a bottom wall and a rear wall intended to engage said U-shaped channel having openings therein, bolts to be inserted into said cell tray rear wall openings and said channels to retain them together, said cell tray top walls including front interlocking structure means which includes a second U-shaped channel, a plurality of openings in said channel, a plurality of captive nuts on said channel adjacent said openings, said cell tray side walls having a plurality of openings, and bolts inserted into said openings and said captive nuts on said second U-shaped channel to cause said front tray and said front base interlocking structures to contact, thereby wedging together said base and said cell tray front interlocking structures.
2. An interlocking modular cell tray assembly as defined in Claim 1 in which said cell tray top wall has rear interlocking structure means for engagement with rear interlocking structure means on a cell tray bottom wall of a second cell tray stacked thereon, and, said first cell tray top wall has front interlocking structure means for engagement with front interlocking structure means on the bottom wall of said second stacked cell tray.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/610,000 US6451475B1 (en) | 2000-07-05 | 2000-07-05 | Front access interlocking modular cell tray assembly |
| PCT/US2002/028046 WO2004023595A1 (en) | 2000-07-05 | 2002-09-04 | Front access interlocking modular cell tray assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2464096A1 CA2464096A1 (en) | 2004-03-18 |
| CA2464096C true CA2464096C (en) | 2007-06-12 |
Family
ID=32684399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002464096A Expired - Fee Related CA2464096C (en) | 2000-07-05 | 2002-09-04 | Front access interlocking modular cell tray assembly |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6451475B1 (en) |
| EP (1) | EP1532698A1 (en) |
| CN (1) | CN1592976B (en) |
| CA (1) | CA2464096C (en) |
| EA (1) | EA006328B1 (en) |
| MX (1) | MXPA04005968A (en) |
| WO (1) | WO2004023595A1 (en) |
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| US5736272A (en) * | 1997-01-21 | 1998-04-07 | Ford Global Technologies, Inc. | Battery tray |
| US5981101A (en) * | 1997-06-02 | 1999-11-09 | Gnb Technologies, Inc. | Modular cell tray assembly for sealed lead-acid cells |
| US6120934A (en) * | 1998-02-13 | 2000-09-19 | Gnb Technologies, Inc. | Cell tray assembly and cover system for lead-acids cells and batteries |
-
2000
- 2000-07-05 US US09/610,000 patent/US6451475B1/en not_active Expired - Lifetime
-
2002
- 2002-09-04 MX MXPA04005968A patent/MXPA04005968A/en not_active Application Discontinuation
- 2002-09-04 EA EA200400512A patent/EA006328B1/en not_active IP Right Cessation
- 2002-09-04 WO PCT/US2002/028046 patent/WO2004023595A1/en not_active Ceased
- 2002-09-04 EP EP02773271A patent/EP1532698A1/en not_active Withdrawn
- 2002-09-04 CN CN02823359XA patent/CN1592976B/en not_active Expired - Fee Related
- 2002-09-04 CA CA002464096A patent/CA2464096C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2464096A1 (en) | 2004-03-18 |
| EA200400512A1 (en) | 2005-06-30 |
| CN1592976B (en) | 2011-04-13 |
| US6451475B1 (en) | 2002-09-17 |
| WO2004023595A1 (en) | 2004-03-18 |
| EA006328B1 (en) | 2005-12-29 |
| EP1532698A1 (en) | 2005-05-25 |
| MXPA04005968A (en) | 2005-02-24 |
| CN1592976A (en) | 2005-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20220304 |
|
| MKLA | Lapsed |
Effective date: 20200904 |