GB2126389A - Vehicle number plates and their production - Google Patents
Vehicle number plates and their production Download PDFInfo
- Publication number
- GB2126389A GB2126389A GB08322892A GB8322892A GB2126389A GB 2126389 A GB2126389 A GB 2126389A GB 08322892 A GB08322892 A GB 08322892A GB 8322892 A GB8322892 A GB 8322892A GB 2126389 A GB2126389 A GB 2126389A
- Authority
- GB
- United Kingdom
- Prior art keywords
- computer
- characters
- data
- number plate
- printing device
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/10—Registration, licensing, or like devices
Abstract
Data representing a library of characters to be reproduced on a number plate, along with ancillary information such as a security code, are contained in a data store 4 which programs the memory of a micro computer or microprocessor 1. Items of this data are selected by means of a keyboard 2 according to the characters which are required for a particular number plate, and the computer 1 then controls the operation of a printer 3 so that the latter produces a graphic image of the selected characters on a carrier 5 which forms at least part of the finished number plate. The computer 1 may also control a second printer 6 so that from time to time a hard copy can be obtained of all of the number plates which have been produced. <IMAGE>
Description
SPECIFICATION
Vehicle number plates and their production
This invention relates to vehicle number plates, and to a method of and apparatus for producing such number plates.
Hitherto, vehicle number plates have been produced by various means, all of which are labour intensive and hence expensive to carry out. Thus, one method of producing vehicle number plates consists in forming the characters, such as letters and numerals, individually and securing these to a backing plate in any suitable manner, e.g. by means of riveting or bonding. According to another method, a number plate is produced by embossing the plate with the aid of punches shaped to the desired characters so as to produce them in raised form projecting from the surface of the plate. Yet another method of producing vehicle number plates consists in printing the characters on a plate either with the aid of a stencil or with the aid of print members shaped to print the letters and numbers to be deposited on the number plate.The characters are printed with the aid of any suitable ink or paint and may be exposed at the surface of the plate or may be sandwiched between a backing plate and a covering transparent layer in order to protect the characters from degradation due to the weather.
Number plates made by the above processes all require a considerable time for their manufacture and a considerable amount of individual handling during the formation of the plate.
It is an object of the present invention to provide an improved and more efficient way of producing vehicle number plates.
According to a first aspect of the invention, there is provided a method of producing vehicle number plates, comprising storing in a store of a computer data representing a library of characters which are to be reproduced on said number plates, selecting items of said data according to the characters which are required for each individual number plate, and using the computer to control a printing device in accordance with the data items thus selected so that the printing device produces a graphic image of the selected characters on a carrier which forms at least part of the finished number plate.
According to a second aspect of the invention, there is provided apparatus for producing vehicle number plates, comprising a computer having a data store which contains data representing a library of characters to be reproduced on said number plates, an input device connected to the computer and operable to select items of said data according to the characters which are required for each individual number plate, and a printing device which is controlled by the computer in accordance with the data items selected by means of the input device and which is operative to produce a graphic image of the selected characters on a carrier which forms at least part of the finished number plate.
Preferably, the data store also contains data representing ancilliary information which may be reproduced on the number plates (such as legaliy required information, security data or the manufacturer's logo), and items of this data can also be selected for reproduction by the printing device under the control of the computer. Where the ancilliary information includes security data, this data is advantageously reproduced on the carrier as a bar coding.
Conveniently, means is provided to control the size and/or the style of the graphic image produced by the printing device. Such means may be formed by interchangeable data stores (such as cassettes or discs) each of which contains data representing a library of characters in a particular size and/or style, these data stores being selectively plugged into the computer to program a memory thereof.
The printing device may produce the graphic image by depositing ink, paint or the like onto the carrier. Alternatively, the graphic image may be produced by using the computer to control the scanning motion of a laser beam. The laser beam may scan a photoconductive surface to form a latent electrostatic image thereon, with this image then being developed and transferred to the carrier, or the laser beam may operate directly on the carrier to produce the graphic image by burning.
According to a third aspect of the invention, there is provided a vehicle number plate having reproduced thereon a security code (preferably in the form of a bar coding) containing details of the vehicle to which the number plate is to be fitted and/or the owner of the vehicle.
The invention will now be further described, by way of example only, with reference to the accompanying drawing, in which:
Figure 1 is a schematic block diagram of apparatus for producing vehicle number plates, according to the present invention; and
Figure 2 is a front view of a number plate as produced by the apparatus of Figure 1.
Referring first to Figure 1, the illustrated apparatus comprises in general terms a micro computer or microprocessor 1 which is linked to a keyboard 2 and a printer 3. The computer 1 has a data store 4 which contains information for controlling the printer 3 so that the latter can produce graphic images of a library of characters, including in particular letters and numerals, in accordance with information fed into the computer 1 from the keyboard 2.
The keyboard 2 includes keys representing each the characters in the aforesaid library, as well as control keys for controlling the operation of the computer 1. In order to produce a number plate, the relevant character information is keyed into the computer from the keyboard 2, possibly along with ancilliary information to be printed on the number plate, such as that required by legislation. The information thus keyed into the computer 1 causes the character data selected from the library to be output to the printer 3, thereby to control operation of the latter. The computer 1 thus instructs the printer to produce a final graphic image on a suitable carrier 5 which, as will be described later, may be a number plate blank or a layer of material which is to form part of a laminated plate construction.
The data store 4 may be permanently program med into a memory of the computer 1. However, it is preferred that the computer has an erasable programmable memory, with the data store being held on interchangeable cassettes, discs or the like which can be selectively plugged into the computer. In this way, each cassette or disc can hold the information necessary for reproducing the said library of characters in a particular size and/or style, so that this style may be changed from number plate to number plate simply by replacing the cassette or disc.
The printer 3 may be of the type which produces graphic images by means of ink, paint or the like: for example, the printer can be a jet drop printer, an impact printer, a pen printer (e.g. a flat bed plotter), a spray printer, a hot film printer or a daisy wheel printer. In this case, printing can be effected by using a multiple line scan, a dot matrix or any other type of scan or matrix. Alternatively, a printer can be used which operates on xerographic principles: in a particular example of this, the information to be printed is digitally assembled in the computer 1 which then controls the scanning motion of a laser on a photosensitive drum. The resultant latent electrostatic image is then developed and transferred to the carrier 5.As a further alternative, the printer can include a laser whose scanning motion is once against controlled by the computer 1, but in which the laser operates directly on the carrier 5 to produce the desired graphic image by burning. In this case, it is preferred to employ a carrier 5 which is prelaminated from a reflective layer and a transparent layer of plastics material (e.g. acrylic), with the burning being performed on the adhesive which holds these two layers together. In a still further alternative version of the printer, the scanning laser can be used to produce the desired graphic image directly on a photosensitive material, such as an "instant" photographic emulsion.
Although the printer 3 could be arranged to produce one number plate at a time, it is preferred that the number plates are printed simultaneously in pairs (i.e. for the front and rear of a vehicle, respectively). A second printer 6 may also be linked to the computer 1 so that a sales invoice or other record can be produced at the same time as the number plates themselves, for example to facilitate stock control and re-ordering.
The carrier 5 onto which the graphic images are printed may be constituted by a metal number plate blank. Alternatively, for number plates which are laminated from a backing layer (e.g. a reflective film) and a transparent protecting layer (e.g. a plastics coating) with the registration characters being disposed between the two layers, the graphic images may be printed onto either one of these layers prior to their lamination together.
The carrier 5 may be fed to the printer 3 by hand: however, such feeding is preferably carried out automatically by a suitable machine. Indeed, it is even possible to arrange for this machine actually to manufacture the number plate blanks as they are required, for example by moulding from a plastics material.
The computer 1 itself is preferably arranged to log automatically each entry made upon the keyboard 2, so that a record can be kept of all registration numbers which have been prepared by the apparatus. Provision may be made for hard copies of this record to be printed out (e.g. on the printer 6) at intervals, so that these copies may be supplied for police records, for example. It is also within the concept of the invention to link the computer with government-controlled centralised computer records for vehicle registration numbers, so that the central computer records can be interrogated as to the availability of a particular registration number and be advised immediately when a particular registration number has been printed.
Figure 2 shows an example of a vehicle number plate produced in accordance with the invention. In addition to printing the actual characters 7 of the registration number, the apparatus can be programmed to print any ancilliary information required by legislation (which in the United Kingdom is the number of the relevant British Standard, indicated at 8, and the name of the number plate manufacturer, indicated at 9). Furthermore, a decorative border 10 can be provided around the registration number if desired. The apparatus may also be programmed to print on each number plate security information, for example in the form of bar coding 11. This information may include a security serial numbering system indicating the origin of the number plate and the date (and possibly also the time) at which the number plate was prepared.It is even possible to record information about the vehicle or its owner in the bar coding 11, with a view to this information being updated from time to time, to provide a measure of security against the number plates of a vehicle being changed illegally.
Although the characters 7 of the registration number will usually be printed in a dense black, by the use of a suitable printer it is possible to produce other parts of the number plate in different colours.
As a particular example of this, a trace line of a different colour can be included in the solid black characters as a security measure against illegal alteration of the number plate.
The invention thus enables a standardised method of number plate production to be achieved, on which the spacing between the characters of the registration number is controlled automatically and is therefore not operator-dependant. Moreover, different legislative requirements concerning the style, spacing, size, etc. of the characters can easily be coped with simply by replacing the cassette or disc which holds the data store.
Claims (30)
1. A method of producing vehicle number plates, comprising storing in the store of a computer data representing a library of characters which are to be reproduced on said number plates, selecting items of said data according to the characters which are required for each individual number plate, and using the computer to control a printing device in accordance with the data items thus selected so that the printing device produces a graphic image of the selected characters on a carrier which forms at least part of the finished number plate.
2. A method as claimed in claim 1, wherein the data store also contains data representing ancilliary information which may be reproduced on the number plates, and items of this data can also be selected for reproduction by the printing device under the control of the computer.
3. A method as claimed in claim 2, wherein the ancilliary information includes a security code.
4. A method as claimed in claim 3, wherein the security code is reproduced on the carrier as a bar coding.
5. A method as claimed in any preceding claim, wherein the size and/or style of the characters reproduced by the printing device can be altered by replacing the data store with another containing data representing a library of said characters in the altered size and/or style.
6. A method as claimed in any preceding claim, wherein the computer also controls a further printing device which is used to produce a record of each number plate produced.
7. A method as claimed in any preceding claim, wherein the data items in the data store are selected by means of a keyboard.
8. A method as claimed in any preceding claim, wherein the graphic image is produced by depositing ink, paint or the like onto said carrier.
9. A method as claimed in any one of claims 1 to 7, wherein the graphic image is produced by using the computer to control the scanning motion of a laser beam.
10. A method as claimed in claim 9, wherein the laser beam scans a photoconductive surface so as to form a latent electrostatic image thereon, and the latent electrostatic image is developed and transferred to the carrier.
11. A method as claimed in claim 9, wherein the laser beam operates directly on the carrier to produce the graphic image by burning.
12. A method as claimed in claim 11, wherein the carrier is a prelaminated construction which includes a backing layer and a transparent protective layer secured together by an adhesive, and the laser beam is operative to burn the adhesive in a pattern corresponding to the selected characters.
13. Apparatus for producing vehicle number plates, comprising a computer having a data store which contains data representing a library of characters to be reproduced on said number plates, an input device connected to the computer and operable to select items of said data according to the characters which are required for each individual number plate, and a printing device which is controlled by the computer, in accordance with the data items selected by means of the input device and which is operative to produce a graphic image of the selected characters on a carrier which forms at least part of the finished number plate.
14. Apparatus as claimed in claim 13, wherein the data store also contains data representing ancilliary information which may be reproduced on the number plate, and the input device is operable to select items of this data also.
15. Apparatus as claimed in claim 14, wherein the ancilliary information includes a security code.
16. Apparatus as claimed in claim 13, 14 or 15, wherein the computer has a memory which can be programmed by the data store.
17. Apparatus as claimed in any one of claims 13 to 16, wherein means is provided to control the size and/or the style of the graphic image which are produced by the printing device.
18. Apparatus as claimed in claim 17, wherein said means is formed by interchangeable data stores each of which contains data repiesenting a library of characters in a particular size and/or style.
19. Apparatus as claimed in any one of claims 13 to 18, wherein the printing device is operative to produce said graphic image by depositing ink, paint or the like on the carrier.
20. Apparatus as claimed in any one of claims 13 to 18, wherein the printing device includes a laser whose beam is scanned under the control of the computer.
21. Apparatus as claimed in claim 20, wherein the printing device operates on xerographic principles, with said laser beam scanning a photoconductive surface to produce a latent electrostatic image thereon, the printing device also including means for developing the latent electrostatic image and for transferring the developed image onto the carrier.
22. Apparatus as claimed in claim 20, wherein the laser beam is arranged to operate directly on the carrier to produce said graphic image by burning.
23. Apparatus as claimed in any one of claims 13 to 22, wherein the input device is a keyboard.
24. Apparatus as claimed in any one of claims 13 to 23, wherein the computer is a micro computer or a microprocessor.
25. Apparatus as claimed in any one of claims 13 to 24, further comprising a second printing device, also controlled by the computer, operative to print out a record of each number plate produced by the apparatus.
26. Avehicle number plate having reproduced thereon a security code containing details of the vehicle to which the number plate is to be fitted and/or the owner of the vehicle.
27. A vehicle number plate as claimed in claim 26, wherein the security code is reproduced in the form of a bar coding.
28. A method of producing vehicle number plates, substantially as herein before described with reference to the accompanying drawing.
29. Apparatus for producing vehicle number plates, substantially as hereinbefore described with reference to the accompanying drawing.
30. Avehicle number plate substantially as herein before described with reference to Figure 2 of the accompanying drawing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08322892A GB2126389B (en) | 1982-08-27 | 1983-08-25 | Vehicle number plates and their production |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8224690 | 1982-08-27 | ||
GB08322892A GB2126389B (en) | 1982-08-27 | 1983-08-25 | Vehicle number plates and their production |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8322892D0 GB8322892D0 (en) | 1983-09-28 |
GB2126389A true GB2126389A (en) | 1984-03-21 |
GB2126389B GB2126389B (en) | 1985-12-24 |
Family
ID=26283687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08322892A Expired GB2126389B (en) | 1982-08-27 | 1983-08-25 | Vehicle number plates and their production |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2126389B (en) |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2649229A1 (en) * | 1989-06-29 | 1991-01-04 | Assistance Prestations | Installation for marking objects and especially for producing stencils |
EP0457544A1 (en) * | 1990-05-15 | 1991-11-21 | Minnesota Mining And Manufacturing Company | Printing of reflective sheeting |
EP0613804A1 (en) * | 1993-03-05 | 1994-09-07 | Stralfors Ab | Sign, preferably registration sign for vehicles, and method for the manufacture thereof |
EP0685094A1 (en) | 1993-02-16 | 1995-12-06 | Minnesota Mining And Manufacturing Company | System and method for manufacturing improved data display retroreflective sheeting |
DE19542632A1 (en) * | 1995-11-15 | 1997-05-22 | Helmut Gerres | Machine for vehicle number plates |
US5670005A (en) * | 1993-02-16 | 1997-09-23 | Minnesota Mining And Manufacturing Company | Method for manufacturing improved data display retroreflective sheeting |
EP0806752A1 (en) * | 1996-05-07 | 1997-11-12 | Denis Charbonnier | Panel bearing identifying information |
US5725935A (en) * | 1994-11-07 | 1998-03-10 | Minnesota Mining And Manufacturing Company | Signage articles and methods of making same |
US5788796A (en) * | 1994-05-20 | 1998-08-04 | Minnesota Mining And Manufacturing | Decal assembly and method of making same |
US5897738A (en) * | 1995-08-31 | 1999-04-27 | Minnesota Mining And Manufacturing Company | Process for manufacturing a sign |
FR2770173A1 (en) * | 1997-10-24 | 1999-04-30 | Dbs Delplanque Freres | Making vehicle registration plates by thermal transfer printing |
US5961779A (en) * | 1994-05-20 | 1999-10-05 | Xyron, Inc. | Laminating and adhesive transfer apparatus |
FR2795543A1 (en) * | 1999-06-23 | 2000-12-29 | Fabricauto Sa | Method of printing from coded reading of plate reflecting surface automotive license plate using programmed printer by recognizing motive codes by printer being arranged on plate or surface |
GB2356273A (en) * | 1999-11-09 | 2001-05-16 | Terraillon Holdings Ltd | Providing an indicia on a substrate |
GB2376437A (en) * | 2001-06-15 | 2002-12-18 | Hills Numberplates Ltd | Identification plates |
GB2391196A (en) * | 2002-05-25 | 2004-02-04 | Signam Ltd | Manufacture of signs |
EP1316434A3 (en) * | 2001-12-03 | 2004-03-03 | Trip Industries Holding B.V. | Process for making weather proof and chemical-resistant outdoor signs and signs made thereby |
US6790578B1 (en) | 1990-05-15 | 2004-09-14 | 3M Innovative Properties Company | Printing of reflective sheeting |
GB2434907A (en) * | 2006-02-02 | 2007-08-08 | Retainagroup Ltd | Registration number plate for a vehicle, incorporating a code |
GB2523789A (en) * | 2014-03-05 | 2015-09-09 | Fourdot Creative Ltd | Sign |
ES2800225A1 (en) * | 2019-06-21 | 2020-12-28 | Ind Samart Sa | LICENSE PLATE (Machine-translation by Google Translate, not legally binding) |
EP3699033B1 (en) | 2019-02-25 | 2021-04-21 | Industrias Samar't, S.A. | Method for forming hybrid license plates and digital printing machine for carrying out said method |
-
1983
- 1983-08-25 GB GB08322892A patent/GB2126389B/en not_active Expired
Cited By (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2649229A1 (en) * | 1989-06-29 | 1991-01-04 | Assistance Prestations | Installation for marking objects and especially for producing stencils |
US5672381A (en) * | 1990-05-15 | 1997-09-30 | Minnesota Mining And Manufacturing Company | Printing of reflective sheeting |
EP0457544A1 (en) * | 1990-05-15 | 1991-11-21 | Minnesota Mining And Manufacturing Company | Printing of reflective sheeting |
US6790578B1 (en) | 1990-05-15 | 2004-09-14 | 3M Innovative Properties Company | Printing of reflective sheeting |
US5378575A (en) * | 1990-05-15 | 1995-01-03 | Minnesota Mining And Manufacturing Company | Printing of reflective sheeting |
EP0801372A3 (en) * | 1990-05-15 | 1998-04-22 | Minnesota Mining And Manufacturing Company | Printing of reflective sheeting |
EP0801372A2 (en) * | 1990-05-15 | 1997-10-15 | Minnesota Mining And Manufacturing Company | Printing of reflective sheeting |
US5670005A (en) * | 1993-02-16 | 1997-09-23 | Minnesota Mining And Manufacturing Company | Method for manufacturing improved data display retroreflective sheeting |
EP0685094A1 (en) | 1993-02-16 | 1995-12-06 | Minnesota Mining And Manufacturing Company | System and method for manufacturing improved data display retroreflective sheeting |
EP1164389A2 (en) | 1993-02-16 | 2001-12-19 | Minnesota Mining And Manufacturing Company | System and method for manufacturing improved data display retroreflective sheeting |
EP0613804A1 (en) * | 1993-03-05 | 1994-09-07 | Stralfors Ab | Sign, preferably registration sign for vehicles, and method for the manufacture thereof |
US5783265A (en) * | 1993-03-05 | 1998-07-21 | Stralfors Ab | Sign, preferably registration sign for vehicles, and method for the manufacture thereof |
US6602376B1 (en) | 1994-05-20 | 2003-08-05 | Xyron Inc. | Master processing apparatus |
US5788796A (en) * | 1994-05-20 | 1998-08-04 | Minnesota Mining And Manufacturing | Decal assembly and method of making same |
US6270612B1 (en) | 1994-05-20 | 2001-08-07 | Xyron, Inc. | Master processing apparatus and cartridge therefor |
US5961779A (en) * | 1994-05-20 | 1999-10-05 | Xyron, Inc. | Laminating and adhesive transfer apparatus |
US5725935A (en) * | 1994-11-07 | 1998-03-10 | Minnesota Mining And Manufacturing Company | Signage articles and methods of making same |
US5928827A (en) * | 1994-11-07 | 1999-07-27 | Minnesota Mining And Manufacturing Company | Signage articles and methods of making same |
US5897738A (en) * | 1995-08-31 | 1999-04-27 | Minnesota Mining And Manufacturing Company | Process for manufacturing a sign |
DE19542632A1 (en) * | 1995-11-15 | 1997-05-22 | Helmut Gerres | Machine for vehicle number plates |
FR2748592A1 (en) * | 1996-05-07 | 1997-11-14 | Bridoux Eric | IDENTIFIED PLATES |
EP0806752A1 (en) * | 1996-05-07 | 1997-11-12 | Denis Charbonnier | Panel bearing identifying information |
FR2770173A1 (en) * | 1997-10-24 | 1999-04-30 | Dbs Delplanque Freres | Making vehicle registration plates by thermal transfer printing |
FR2795543A1 (en) * | 1999-06-23 | 2000-12-29 | Fabricauto Sa | Method of printing from coded reading of plate reflecting surface automotive license plate using programmed printer by recognizing motive codes by printer being arranged on plate or surface |
GB2356273A (en) * | 1999-11-09 | 2001-05-16 | Terraillon Holdings Ltd | Providing an indicia on a substrate |
EP1759928A3 (en) * | 2001-06-15 | 2007-05-16 | Hills Numberplate Holdings Plc | Identifiaction plates and a medium to bear indicia for use in identification plates |
CN1312005C (en) * | 2001-06-15 | 2007-04-25 | 希尔斯牌照公司 | Identification plates |
EP2028056A3 (en) * | 2001-06-15 | 2009-04-29 | Hills Numberplates Limited | Identifiaction plates and a medium to bear indicia for use in identification plates |
WO2002102626A1 (en) * | 2001-06-15 | 2002-12-27 | Hills Numberplates Limited | Identification plates |
GB2376437A (en) * | 2001-06-15 | 2002-12-18 | Hills Numberplates Ltd | Identification plates |
US7117794B2 (en) | 2001-06-15 | 2006-10-10 | Hills Numberplates Limited | Method for manufacturing an identification plate |
GB2376437B (en) * | 2001-06-15 | 2003-08-27 | Hills Numberplates Ltd | Identification plates |
AU2002257993B2 (en) * | 2001-06-15 | 2007-03-15 | Hills Numberplates Limited | Identification plates |
EP1759928A2 (en) * | 2001-06-15 | 2007-03-07 | Hills Numberplate Holdings Plc | Identifiaction plates |
EP1316434A3 (en) * | 2001-12-03 | 2004-03-03 | Trip Industries Holding B.V. | Process for making weather proof and chemical-resistant outdoor signs and signs made thereby |
GB2391196A (en) * | 2002-05-25 | 2004-02-04 | Signam Ltd | Manufacture of signs |
GB2434907A (en) * | 2006-02-02 | 2007-08-08 | Retainagroup Ltd | Registration number plate for a vehicle, incorporating a code |
GB2523789A (en) * | 2014-03-05 | 2015-09-09 | Fourdot Creative Ltd | Sign |
EP3699033B1 (en) | 2019-02-25 | 2021-04-21 | Industrias Samar't, S.A. | Method for forming hybrid license plates and digital printing machine for carrying out said method |
ES2800225A1 (en) * | 2019-06-21 | 2020-12-28 | Ind Samart Sa | LICENSE PLATE (Machine-translation by Google Translate, not legally binding) |
Also Published As
Publication number | Publication date |
---|---|
GB8322892D0 (en) | 1983-09-28 |
GB2126389B (en) | 1985-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920825 |