170701, 260117, 260303, 260308, 260313, 260316, 260328, 260701, 270305 - Instruments for linear measurement, including rulers, yard sticks, tape measures and surveyor's tapes and chains. Two concentric circles. Incomplete ovals. Letters, numerals or punctuation forming the perimeter of an oval or bordering the perimeter of an oval. Two ovals. Ovals touching or intersecting. Miscellaneous designs with overall oval shape, including amoeba-like shapes and irregular ovals. Plain diamonds with single or multiple line borders. Representations of objects forming letters or numerals, including punctuation.