http://www.thepotteries.org/allpotters/371.htm WebDec 19, 2011 · Two different Kite/Diamond marks were used to identify various patterns that were registered in the United Kingdom, the first set—used from 1842-1867. From …

Using Identification Marks: What’s a Kite Mark? Part II

Web1 day ago · Reading the Diamond Registration Mark 1842-1867 I have included a chart to show how the Material, Year, Month, Day and … WebMay 4, 2024 · Registered Designs: Diamond Marks During the period 1842 to 1883 the British Patent Office issued a diamond mark along with the registration number … chicks auto air conditioner repair honolulu

PM&M [Resources / British Registration Marks]

WebDec 19, 2011 · From 1868, the British Patent Office issued a second Kite/Diamond registration mark when a design was registered. It differs slightly from the 1842-1867 example covered earlier. The markings on it now indicate more than just the date of registry. Reading the 1867-83 mark is similar to the earlier 1842-83 example, with some changes. WebThe 'lozenge' mark used between 1842 and 1883 to certify the patent of the models registered by the UK Patent Office allows the identification of day, month and year of their registration. TABLE BY YEAR AND MONTH YEAR LETTER MONTH LETTER YEAR LETTER MONTH LETTER 1842 X January C 1868 X January C 1843 H February G … Web1) Having a mark on the bottom, like the reign marks in the picture for this article, does not mean that it really dates from that period. 2) Having no mark at all does not mean that it … chicks auto sales