Mark 8. The Patents, Designs and Trade Marks Act of rationalised the system and thereafter only a number series was used. By shifting the positions of the identifiers, a second series was started and lasted until Year Letter at Right. Other places to find records of trade marks 7. Mark 3.
Plate with unusual Diamond Mark. Possibly William Adams
Searches begin in our catalogue, in record series BT 82 and BT cotton goods only, ; see section 4. Learn more. Iron and steel, pig and cast, rough, bar and rail, including rails for railways, bolt and rod, sheets and boiler and armour plates, hoops, wire; Lead, pig, rolled sheet; Copper; Zinc. Year Letter at Right. Class 36 Carpets, floor cloth and oil cloth. August and Sept Marks registered from to have a number instead of a letter at the top of the diamond.