GB2329534A - Portable/transportable power supply; electric fence supply - Google Patents

Portable/transportable power supply; electric fence supply Download PDF

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Publication number
GB2329534A
GB2329534A GB9720097A GB9720097A GB2329534A GB 2329534 A GB2329534 A GB 2329534A GB 9720097 A GB9720097 A GB 9720097A GB 9720097 A GB9720097 A GB 9720097A GB 2329534 A GB2329534 A GB 2329534A
Authority
GB
United Kingdom
Prior art keywords
power supply
portable power
supply according
frame
post
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.)
Granted
Application number
GB9720097A
Other versions
GB2329534B (en
GB9720097D0 (en
Inventor
Brian Ellis
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9720097A priority Critical patent/GB2329534B/en
Publication of GB9720097D0 publication Critical patent/GB9720097D0/en
Publication of GB2329534A publication Critical patent/GB2329534A/en
Application granted granted Critical
Publication of GB2329534B publication Critical patent/GB2329534B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D63/00—Motor vehicles or trailers not otherwise provided for
    • B62D63/06—Trailers
    • B62D63/062—Trailers with one axle or two wheels
    • B62D63/064—Trailers with one axle or two wheels light luggage or equipment trailers, e.g. for batteries, gas generators, gas bottles, stretchers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05C—ELECTRIC CIRCUITS OR APPARATUS SPECIALLY DESIGNED FOR USE IN EQUIPMENT FOR KILLING, STUNNING, OR GUIDING LIVING BEINGS
    • H05C1/00—Circuits or apparatus for generating electric shock effects
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/30—Wind power
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Abstract

A transportable power supply has a towable frame with a wheeled base 10,14,16, a wind generator 28 mounted on an upstanding post 12, a solar panel 30 mounted on an inclined strut 22 to face upwards at an angle to the vertical, and a battery cabinet 32. The strut 22 is coupled to the post 12 and to a longitudinal bar 10 by slidable pivotal connections 26 so that the inclination of the strut 22, and thus of the solar panel 30, is adjustable. The wind generator 28 is removably mounted on the top of post 12 by a socket joint 34. The frame is made of tubular material allowing cabling between the generator 28, solar panel 30 and battery cabinet 32 to extend within the tubular parts. The cabinet 32 contains a rechargeable battery (40,Fig.3), a voltage regulator (42), and a circuit (44) to provide a power output, such as for an electric fence for livestock. The cabinet 32 may be lockable (46), and both the frame and the cabinet 32 may also be electrified to prevent tampering, vandalism and theft.

Description

Portable Power Supply This invention relates to a portable power supply.
There is a need, especially in places where a mains power supply is not readily available, for a power supply which can be used, for example, to power electric fences and the like, or, in so-called third world countries especially, to power home lighting and many other kinds of electrical equipment.
Such a power supply not only requires use of a battery re-chargeable from a rwural source of energy, but is also preferably portable, so that it can readily be moved from one site of use to another.
Accding to the invention, there is provided a portable power supply comprising a frame having a wheeled base and an upstanding post, a wind generator mounted onthepost, a solar panel mounted on the frame to face upwards at an angle to the vertical, a battery cabinet carried by the frame, and electric cabling for connecting the wind generator and solar panel to a battery in the battery cabinet.
Preferably, the base includes a longitudinal bar having a crosspiece carrying the wheels and a towing point at the front of the bar, the post being upstanding from the rear of the bar. In this case, the frame preferably also includes an inclined strut extending between the longitudinal base bar and the post, the solar panel being mounted on this inclined strut.
The inclination of the inclined strut, and thus of the solar panel, is preferably udius'le, as by means of sliding pivotal connections with the longitudial base barandthepost.
The wheels-carrying crosspiece is preferably positioned adjacent the rear end of the longitudinal bar, where the battery cabinet is also preferably located.
Adjacent its front end, the longitudinal bar may be provided with a groundengaging stabiliser, which may be retractable to facilitate towing of the frame.
The frame is preferably made of tubular material, e.g. galvanised tube, using standard pipe fittings for threaded connections and key-clamp brackets to support the solar panel. The wind generator is preferably detachably mounted to the top of the post, as by means of a simple socket joint. The use of tubular material for construction of the frame enables electric cabling to be accommodated within the tubular parts.
The crosspiece carrying the wheels may be the wheels axle, which passes through simple pipe fittings on the longitudinal base bar. The wheels themselves may be of an inexpensive wheelbarrow type.
It will thus be appreciated that the frame can be of very simple and inexpensive construction, which can nevertheless easily be manipulated over rough terrain.
In addition to the batteries, the battery cabinet may house a voltage regulator and a transmitter, for example to supply power to electric fencing. The cabinet is preferably lockable, and may itself be electrified, as may be the entire frame, assuming metal construction.
The invention is further described with reference to the accompanying drawings, in which: Figure 1 shows the frame of the supply, before mounting of the wind generator and the solar panel; Fwe 2 shows the frame wilt the wind generator and solar panel mounted in position, but with the battery cabinet removed; and Figure 3 shows the interior of the battery cabinet.
Referring to the drawings, the illustrated portable power supply comprises a frame having a base comprising a longitudinal bar 10 and a post 12 upstanding fromitsrearend. Near its rear end, a wheel axle 14 for ground wheels 16is mounted to the longitudinal bar 10. At its front end, the longitudinal bar 10 has a towing hitch 18 and just to the rear thereof, as shown in Figure 1 only, a retractable ground stand 20.
An inclined strut 22 interconnects an intermediate region of the longitudinal bar 10 and an intermediate region of the post 12.
The frame is made of galvanised tube, with threaded connections using standard pipe fittings such as that referenced 24, and off-the-shelf adjustable clamp fittings such as those referenced 26. By virtue of the adjustable pivotal clamp fittiigs 26, the angle of inclination of the strut 22 is variable. Galvanised tube also provides the wheel axre 14, and the wheels 16 are of an inexpensive wheelbaIrow type.
It will thus be understood that the entire frame is very inexpensive, willie being suitable for ready prefabrication and packaging for shipment.
In use, wilt the ground stand retracted, the frame is readily towable over rough terrapin but, with the ground stand lowered, provides a stable support fbr the equipmeett which it carries.
The equipment carried by the frame comprises a wind generator 28 and a solar panel 30, both shown in Figure 2, and a battery cabinet 32, shown in Figure 1 and in more detail in Figure 3.
The wind generator 28 is mounted to the top of the post 12 by means of a socket joint 34 (Figure 1) and the solar panel 30 is mounted to the inclined strut 22 by means of clamp brackets 36. The range of variation of inclinaton of the strut 22 afforded by the adjustable clamp fittings 26 enables the solar panel to be appropriately directed for the site of use.
The battery cabinet 32 is mounted to the rear end of the longitudinal bar 10 by means of bracket plate 38 (Figures 1 and 3). The cabinet 32 houses the batteries 40 necessary to provide a 12 V or more preferably 24 V supply, controlled by a voltage regulator 42. Mounted to the inside of the lid of the cabinet is a transmitter 44, to provide the power output necessary for any of a variety of purposes, such as an electric fence for livestock for example.
Cabling connecting between the wind generator 28, the solar panel 30 and the battery cabinet 32 conveniently extends within the tubular parts of the support frame.
The cabinet is preferably lockable at 46, and may itself be electrified from the transmitter 44 to prevent tampering. Likewise, the complete frame may be electrified to prevent theft and/or vandalism.

Claims (16)

1. A portable power supply comprising a frame having a wheeled base and an
upstanding post, a wind generator mound on the post, a solar panel mounted on the frame to face upwards at an angle to the vertical, a battery cabinet carried by the frame, and electric cabling for connecting the wind generator and solar panel to a battery in the battery cabinet.
2. A portable power supply according to claim 1, wherein the base includes a longitudinal bar having a crosspiece carrying the wheels and a towing point at the frontofthebar, the post being upstanding from the rear of the bar.
3. A portable power supply according to claim 2, wherein the frame also includes an inclined strut extending between the longitudinal base bar and ihe post, the solar panel being mounted on this inclined strut.
4. A portable power supply according to claim 3, wherein the inclination of the inclined strut, and thus of the solar panel, is adjustable.
5. A portable power supply according to claim 4, wherein the inclination of the strut is adjustable by means of sliding pivotal connections with the longitudinal baslaar and the post.
6. A portable power supply according to any of claims 1 to 5, wherein a wheelarrying crosspiece is positioned adjacent the rear end of the longitudinal bar, where the battery cabinet is also located.
7. A portable power supply according to claim 6, wherein, adjacent its front end, the longitudinal bar is provided with a ground-engaging stabiliser.
8. A portable power supply according to claim 7, wherein the stabiliser is retractable to facilitate towing of the frame.
9. A portable power supply according to any of claims 1 to 8, wherein the frame is made of tubular material, using standard pipe fittings for threaded connections and keyclamp brackets to support the solar panel.
10. A portable power supply according to claim 9, wherein the wind generator is detachably mounted to the top of the post by means of a simple socket joint.
11. A portable power supply according to claim 9 or claim 10, wherein electric cabling is accommodated within the tubular parts of the frame.
12. A portable power supply according to any of claims 9 to 11, wherein the crosspiece carrying the wheels is the wheels axle, which passes through pipe fittings on the longitudinal base bar.
13. A portable power supply according to any of claims 1 to 12, wherein, in addition to the batteries, the battery cabinet houses a voltage regulator and a transmitter.
14. A portable power supply according to any of claims 1 to 13, wherein the cabinet is lockable.
15. A portable power supply according to claim 13 or claim 14, wherein the cabinet is electrified, as is the entire frame, assuming metal construction.
16. A portable power supply substantially as hereinbefore described with reference to the accompanying drawings.
GB9720097A 1997-09-23 1997-09-23 Mobile power supply unit Expired - Lifetime GB2329534B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9720097A GB2329534B (en) 1997-09-23 1997-09-23 Mobile power supply unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9720097A GB2329534B (en) 1997-09-23 1997-09-23 Mobile power supply unit

Publications (3)

Publication Number Publication Date
GB9720097D0 GB9720097D0 (en) 1997-11-19
GB2329534A true GB2329534A (en) 1999-03-24
GB2329534B GB2329534B (en) 2002-03-27

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ID=10819437

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9720097A Expired - Lifetime GB2329534B (en) 1997-09-23 1997-09-23 Mobile power supply unit

Country Status (1)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002056440A2 (en) * 2001-01-13 2002-07-18 Solar Highways Limited Mobile power supply unit
GB2381964A (en) * 2001-11-08 2003-05-14 Nighthawk Electronics Ltd Weatherproof portable solar power supply
WO2003055284A2 (en) * 2001-12-11 2003-07-03 Delaval Holding Ab Electric fence energizing apparatus and method
US7294939B1 (en) * 2006-11-03 2007-11-13 Shih H Chen Folding portable wind-power electricity generating apparatus
US7339286B1 (en) * 2006-11-14 2008-03-04 Shih H Chen Portable wind power generator
GB2451466A (en) * 2007-07-28 2009-02-04 Dave Pain Wind powered mobile charging device
ITRM20080460A1 (en) * 2008-08-13 2010-02-14 Vittorio Dante Cavallari MOBILE ENERGY CENTRAL FOR THE ECOLOGICAL PRODUCTION OF ELECTRICITY, HYDROGEN, OXYGEN AND DRINKING WATER.
DE102010011289A1 (en) 2010-03-13 2011-09-15 Branko Mamuzic Mobile solar generator for use in motor car i.e. passenger car, to generate mobile solar electricity for loading energy for e.g. mobile telephone, has two hinged photovoltaic modules connected to each other on rear side by hinge
US8299645B2 (en) 2007-07-27 2012-10-30 Skybuilt Power Renewable energy trailer
US8315745B2 (en) 2009-04-24 2012-11-20 Hunter Defense Technologies, Inc. Mobile micro-grid power system controller and method
FR2990498A1 (en) * 2012-05-10 2013-11-15 Bruno Grimaud Solar device for producing, storing and autonomous distribution of electricity, has charging box dimensioned to accommodate photovoltaic panels during transport and to accommodate management box during charging of battery
US8915697B2 (en) 2008-08-22 2014-12-23 Natural Power Concepts Inc. Mobile wind turbine
CN108882577A (en) * 2018-06-27 2018-11-23 南通诚云软件科技有限公司 Outdoor solar energy electronic commercial matters information device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463566A1 (en) * 1979-08-06 1981-02-20 Lemenager Etienne Hand-cart for carrying electric fence equipment - has solar cell array for charging fence battery
FR2550053A1 (en) * 1983-08-05 1985-02-08 Lemenager Etienne Movable electric fence installation
DE3405466A1 (en) * 1984-02-16 1985-08-22 Josef 7918 Illertissen Holzner Mobile solar station which can be combined with a wind-energy generator
US5221186A (en) * 1991-10-23 1993-06-22 Machin Thomas H Wind turbine apparatus with fluidic rotation indicator
WO1994020802A1 (en) * 1993-03-08 1994-09-15 Konha Konstruktions- Und Handels Aktiengesellschaft Power supply for a refrigerating chamber
JPH09195534A (en) * 1996-01-23 1997-07-29 Fujita Corp Transferable house unit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2463566A1 (en) * 1979-08-06 1981-02-20 Lemenager Etienne Hand-cart for carrying electric fence equipment - has solar cell array for charging fence battery
FR2550053A1 (en) * 1983-08-05 1985-02-08 Lemenager Etienne Movable electric fence installation
DE3405466A1 (en) * 1984-02-16 1985-08-22 Josef 7918 Illertissen Holzner Mobile solar station which can be combined with a wind-energy generator
US5221186A (en) * 1991-10-23 1993-06-22 Machin Thomas H Wind turbine apparatus with fluidic rotation indicator
WO1994020802A1 (en) * 1993-03-08 1994-09-15 Konha Konstruktions- Und Handels Aktiengesellschaft Power supply for a refrigerating chamber
JPH09195534A (en) * 1996-01-23 1997-07-29 Fujita Corp Transferable house unit

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002056440A3 (en) * 2001-01-13 2002-12-05 Solar Highways Ltd Mobile power supply unit
WO2002056440A2 (en) * 2001-01-13 2002-07-18 Solar Highways Limited Mobile power supply unit
GB2381964A (en) * 2001-11-08 2003-05-14 Nighthawk Electronics Ltd Weatherproof portable solar power supply
WO2003055284A2 (en) * 2001-12-11 2003-07-03 Delaval Holding Ab Electric fence energizing apparatus and method
WO2003055284A3 (en) * 2001-12-11 2003-11-20 Delaval Holding Ab Electric fence energizing apparatus and method
US7294939B1 (en) * 2006-11-03 2007-11-13 Shih H Chen Folding portable wind-power electricity generating apparatus
US7339286B1 (en) * 2006-11-14 2008-03-04 Shih H Chen Portable wind power generator
US8299645B2 (en) 2007-07-27 2012-10-30 Skybuilt Power Renewable energy trailer
GB2451466A (en) * 2007-07-28 2009-02-04 Dave Pain Wind powered mobile charging device
ITRM20080460A1 (en) * 2008-08-13 2010-02-14 Vittorio Dante Cavallari MOBILE ENERGY CENTRAL FOR THE ECOLOGICAL PRODUCTION OF ELECTRICITY, HYDROGEN, OXYGEN AND DRINKING WATER.
US8915697B2 (en) 2008-08-22 2014-12-23 Natural Power Concepts Inc. Mobile wind turbine
US8315745B2 (en) 2009-04-24 2012-11-20 Hunter Defense Technologies, Inc. Mobile micro-grid power system controller and method
US8738194B2 (en) 2009-04-24 2014-05-27 Hunter Defense Technologies, Inc. Mobile micro-grid power system
US9368973B2 (en) 2009-04-24 2016-06-14 Hunter Defense Technologies, Inc. Mobile micro-grid power system controller and method
US10114398B2 (en) 2009-04-24 2018-10-30 Hunter Defense Technologies, Inc. Mobile micro-grid power system controller and method
US10353420B2 (en) 2009-04-24 2019-07-16 Hunter Defense Technologies, Inc. Mobile micro-grid power system controller and method
DE102010011289A1 (en) 2010-03-13 2011-09-15 Branko Mamuzic Mobile solar generator for use in motor car i.e. passenger car, to generate mobile solar electricity for loading energy for e.g. mobile telephone, has two hinged photovoltaic modules connected to each other on rear side by hinge
FR2990498A1 (en) * 2012-05-10 2013-11-15 Bruno Grimaud Solar device for producing, storing and autonomous distribution of electricity, has charging box dimensioned to accommodate photovoltaic panels during transport and to accommodate management box during charging of battery
CN108882577A (en) * 2018-06-27 2018-11-23 南通诚云软件科技有限公司 Outdoor solar energy electronic commercial matters information device

Also Published As

Publication number Publication date
GB2329534B (en) 2002-03-27
GB9720097D0 (en) 1997-11-19

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Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170922