#USPTO: 03.19.08 - Crabs #USPTO: 03.19.09 - Crustaceans other than crabs, Crayfish, Crawfish, Crawdads, Shrimp, Lobsters, Prawns #USPTO: 03.19.18 - Oysters, Nautilus, Mussels, Conch shells, Clams, Shellfish other than crabs, shrimp, and lobsters, Sea shells, Sand dollars, Seashells, Shells of clams, mussels, oysters, and scallops, Mollusk shellfish, Bivalve mollusks, Scallops #USPTO: 03.19.23 - Stylized octopus, squids, jellyfish, crabs, lobsters, clams, snails, starfish, and other similar shellfish, shells, crustaceans, and mollusks #USPTO: 26.01.02 - Plain single line circles, Circles, plain single line #Ein Kreis #USPTO: 26.01.28 - Miscellaneous circular designs with an irregular circumference, Circles with irregular circumferences #Zwei Polygone, eines in dem anderen (außer 26.5.10 und 26.5.11) #USPTO: 26.15.02 - Plain single or multiple line polygons, Polygons (plain, single line)