How to Read the Date Diamond on Ironston
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| Registration Diamonds & Numbers |
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What is a Diamond Mark ?
During the flow 1842-1883 the British Patent Part issued a diamond mark along with the registration number when a design was registered.
As well as showing that the design had been registered, diamond mark offered the heir-apparent the reassurance of knowing an item was of British design. It also assured the person registering the design a degree of protection from copying. The protection was dependent on the type of material and the class in which the product was placed.
The marking was created to place the blazon of textile used (known every bit the class), how many items were included, (sometimes known as bundles or packages, and the date of registration.
Annotation that the registration number does not form office of the marking.
The eye is occupied by the abridgement Rd signifying that this is a Patent Office mark standing for Registered Design.
How to empathise the mark ?
i) What 'grade' is the textile?
2) What year range is the marker from?
There are two ranges of year codes; 1842-1867 & 1868-1883. At starting time glance they look the aforementioned but if yous await closely y'all can see that some take a number at the right hand corner and some take a letter.
If there is a number at the right hand corner of the diamond then it is in the 1842-1867 range
If there is a alphabetic character at the right hand corner of the diamond then it is in the 1868-1883 range
number at the right hand corner of the diamond
1842-1867 range
letter at the correct hand corner of the diamond
1868-1883 range
three) Agreement marks 1842-1867
Commencement of all make sure in that location is a number in the right hand corner as shown below:-
If there is a letter then the marker is 1868-1883You lot tin can ignore the number at the bottom of the diamond - this tells us how many items were included in the registration, (sometimes known every bit bundles or packages).
From the other numbers and messages nosotros can piece of work out the appointment of the registration.Twenty-four hour period - Correct hand corner - this is cocky explanatory
Month - Left hand corner - this is worked out from the code below:-
Calendar month alphabetic character Month Calendar month letter Month A Dec H April B October I July C January K Nov D September Grand June E May R August G February Westward March Year - Top of the diamond - this is worked out from the code beneath (they are listed in alphabetical order):-
Year codes for 1842 - 1867
Yr codes Year codes Yr codes A 1845 J 1854 S 1849 B 1858 K 1857 T 1867 C 1844 L 1856 U 1848 D 1852 M 1859 V 1850 E 1855 Due north 1864 W 1865 F 1847 O 1862 Ten 1842 G 1863 P 1851 Y 1853 H 1843 Q 1866 Z 1860 I 1846 R 1861 Exception Notes:
In 1857 the letter R was used during 1-19 September, and during 1860 the letter K was used for December.
registration engagement for this marker:
27th April (H) 1847 (F)
just to evidence it works.....!
Jones & Walley put both the engagement and
the registration diamond to give the following:-
13th May (E) 1843 (H)
four) Understanding marks 1868-1883
Commencement of all make sure there is a letter in the correct hand corner as shown below:-
If there is a number so the mark is 1842-1867You lot can ignore the number at the left hand corner of the diamond - this tells us how many items were included in the registration, (sometimes known as bundles or packages).
From the other numbers and letters nosotros tin work out the date of the registration.Twenty-four hour period - Superlative of the diamond - this is cocky explanatory
Month - Lesser of the diamond - this is worked out from the code below:-
Month letter Month Month letter Month A December H April B October I July C January K November D September M June E May R Baronial G Feb W March Year - Right manus corner of the diamond - this is worked out from the lawmaking beneath (they are listed in alphabetical order):-
Twelvemonth codes for 1868 - 1883
Yr codes Twelvemonth codes A 1871 L 1882 C 1870 P 1877 D 1878 S 1875 E 1881 U 1874 F 1873 V 1876 H 1869 X 1868 I 1872 Y 1879 J 1880 M 1883 Exception notes:
From ane-6 March 1878, W was used for the year in place of D; and M was used for the month in place of Westward.
registration engagement for this marking:
29th September (D) 1879 (Y)
five ) This year table is in chronological order -to help in identifying possible exceptions as shown below:
1842 - 1867 and 1868 - 1883
Twelvemonth codes Year codes Year codes Year codes 1842 10 1855 E 1868 Ten 1881 E 1843 H 1856 L 1869 H 1882 L 1844 C 1857 K 1870 C 1883 K 1845 A 1858 B 1871 A 1846 I 1859 G 1872 I 1847 F 1860 Z 1873 F 1848 U 1861 R 1874 U 1849 S 1862 O 1875 S 1850 V 1863 G 1876 V 1851 P 1864 North 1877 P 1852 D 1865 W 1878 D 1853 Y 1866 Q 1879 Y 1854 J 1867 T 1880 J Exception Notes:
In 1857 the alphabetic character R was used during 1-19 September, and during 1860 the letter of the alphabet K was used for Dec. From ane-6 March 1878, Due west was used for the yr in place of D; and Yard was used for the month in place of Due west.
REGISTERED NUMBERS - from 1884
The Registered Number, usually written equally Rd on the piece of pottery, gives the engagement when that design was registered to forbid copying, but it could take been made at any fourth dimension afterwards than that appointment.
The tabular array beneath gives the year and the registration numbers issued during that year
- for example any Rd number from 19756 to 40479 was issued in 18851884 1
1885 19756
1886 40480
1887 64520
1888 90483
1889 116648
1890 141273
1891 163767
1892 185713
1893 205240
1894 224720
1895 246975
1896 268392
1897 291241
1898 311658
1899 331707
1900 351202
1901 368154
1902 385180
1903 403200
1904 424400
1905 447800
1906 471860
1907 493900
1908 518640
1909 535170
1910 552000
1911 574817
1912 594195
1913 612431
1914 630190
1915 644935
1916 653521
1917 658988
1918 662872
1919 666128
1920 673750
1921 680147
1922 687144
1923 694999
1924 702671
1925 710165
1926 718057
1927 726330
1928 734370
1929 742725
1930 751160
1931 760583
1932 769670
1933 779292
1934 789019
1935 799097
1936 808794
1937 817293
1938 825231
1939 832610
1940 837520
1941 838590
1942 839230
1943 839980
1944 841040
1945 842670
1946 845550
1947 849730
1948 853260
1949 856999
1950 860854
1951 863970
1952 866280
1953 869300
1954 872531
1955 876067
1956 879282
1957 882949
1958 887079
1959 891665
1960 895000
1961 899914
1962 904638
1963 909364
1964 914536
1965 919607
Representations and Registers of Designs, 1839 - 1964
A representation is a sample, picture, photograph or sketch of the registered design. The registers of designs include the allocated registered number, usually the name and the address of the owner of the design (who was not necessarily the designer), and the quantity of items registered, known equally the bundle or bundle. The National Archives holds the surviving representations and registers of designs between 1839 and 1964. These documents are often very large, unwieldy and very dusty: They also take fairly complicated reference systems.
Back to Pottery - Ceramic Trade Marks
Source: http://www.thepotteries.org/mark/reg.htm
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