Dating english patent numbers
See the tables in sections 5 to 11 for details of which records come with indexes. Objects whose design has been registered should have a design number marked on them. However, in the case of wallpaper and textiles, usually used in sections, the design number is unlikely to be visible.
If you know or can find a registered design number you should be able to find the respective register entry or representation in our collection, though it will be easier for some than for others. Diamond marks were printed, engraved or otherwise marked on an object to authenticate its copyright registration and add a layer of protection against fraud. Diamond marks were only in use between and and only for objects registered under the terms of the Ornamental Designs Act.
The British Library holds copies of the Official Journal of the Patent Office, published weekly since the midth century. It may prove particularly useful when in search of a design registered after from which point our own catalogue is short on descriptive detail. The registration certificate is pasted below the representation. There were no registers during this short period, but two sets of representations, one of which had a certificate attached which included registration details see image on the right. If the search proves fruitless, follow the search instructions in section 4.
This section covers records for designs registered under the Ornamental Designs Act. This act repealed the Act see section 5 and sought to confine registration exclusively to ornamental designs, excluding the practical element of a design — though these would subsequently be covered by another act see section 8 as well as by patents of design see our guide to patents of design.
In practice, however, many functional designs were effectively registered under the guise of a registration of the ornamental element of the design. A typical example of how the registration of the ornamental elements of a design could be used to surreptitiously register the functional elements of the design too. The design classification codes were expanded under the terms of this act, meaning representations were filed under more precise classification categories, determined by the materials that the designed objects were made of.
Although attempts were made to cover everything, the lace and the earthenware classifications became used as miscellaneous categories.
British Registry Date Numbers - at com
To find a representation from this period, search in BT 43 with one or more of the following as your keywords:. As a last resort, you can, instead, click on the catalogue reference links in the table below for the respective classification type and browse through the record descriptions, though as there are hundreds of thousands of catalogue entries you will need to narrow your browsing range to a smaller range of dates.
Diamond marks were brought into use with the Ornamental Designs Act. They were no longer used once the Act was replaced by the Act see section 8. Diamond marks were printed, engraved or otherwise marked on an object — for example, on the underside of china or the reverse of printed fabric. The mark was in the shape of a diamond with numbers and letters at specific points to represent the type of material used and the date of registration. However, in the case of wallpaper and textiles, usually used in sections, the diamond mark is not always visible and sometimes it may not be possible to locate it.
Diamond marks demonstrated that a design was registered, that it was designed in Britain and added a layer of protection against fraud. Two diamond marks, one from , the other from From letters were marked on the left point of the diamond and numbers on the right.
From letters were marked on the right point of the diamond and numbers on the left. If the object you are interested in has a diamond mark, you should be able to date the design and therefore the object itself. The fact that a design has a diamond mark at all tells you that it dates from between and The mark at the top of the diamond was a number usually in Roman numerals, though in the example above it appears as an ordinary Arabic numeral representing the material the item was made from, as follows:. The number codes on a diamond mark represent the day of registration and the letter codes represent the year or month the design was registered.
With the classification and date information provided by a diamond mark you can use our catalogue to either find an exact record or, more likely, narrow down your catalogue search results to a manageable number. To do this, follow these steps:. These records are for designs registered under the Utility Designs Act.
Patent figures from 1820 to date
This act sought to extend the range of designs that could be protected by copyright law, beyond the strictly ornamental designs covered by the Act see section 6. The appearance of designs of utility could now officially be registered under copyright law, thus causing confusion with patent law.
businesspodden.se/winnie-y-wilbur-winnie-patrulla-cuatro-historias-mgicas.php Search for representations in BT 45 with one or more of the following as your keywords:. These records are for designs registered under the Copyright of Designs Act. The key developments under this act were:.
If you know the registered design number, follow the steps outlined in section 4. Following this act the Designs Registry, by now part of the Patent Office, all but abandoned the classification system and did not categorise designs according to material or type — except for sculpture.
However, if you find an entry in the registers, which are a little easier to search within, it will provide you with the design number. You can search for registers in BT 51 by name or address of proprietor or by object type see section 4. If you do know the registered design number which you can obtain if you find an entry in the registers — see above , follow the steps outlined in section 4. If you do not know the registered design number your chances of finding a record depend upon the remote possibility that you may know the year, or even the month and year, when the design was registered and your willingness to leaf through the representation book covering those dates.
How can I view the records covered in this guide?
You can view the covering dates of books and registers by clicking on the catalogue references below and browsing through the series. These records are for designs registered under the Patents and Designs Act and subsequent acts. Following this act the Designs Registry classified all designs as either textiles or, for everything else, non-textiles.
Representations for non-textile designs came increasingly in the form of photographs. To search for a record if you do know the registered design number, follow the steps outlined in section 4. If you do not know the registered design number your chances of finding a record depend upon the remote possibility that you may know the year, or even the month and year, when the design was registered and your willingness to leaf through the representation book or register covering those dates. Listen to the podcast A momentous question: For quick pointers Tuesday to Saturday Operations 13th June- 30th July 69th New York: Gettysburg 1st July- 4th July 69th New York: Operations 25th November- 2nd December 69th New York: Operations 3rd May- 12th June 69th New York: Operations 4th May- 12th June 69th New York: Operations 13th June- 12th August 69th New York: Operations 12th August- 30th October 69th New York: Antietam 17th September Brigade 69th Pennsylvania: Gettysburg 2nd July 3rd July 69th Pennsylvania: Operations 27th October- 28th October 69th Pennsylvania: Operations 27th October- 28th October 2 69th Pennsylvania: Fair Oaks 1st June 88th New York: Antietam 17th September 88th New York: Fredericksburg 13th December 88th New York: Operations 3rd May- 15th June 88th New York: Gettysburg 2nd July- 5th July 88th New York: Operations 26th November- 2nd December 88th New York: Operations 16th June- 30th July 88th New York: Operations 17th May- 12th June th New York: Dating patent numbers uk Dating patent numbers uk.
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