1.-3. Air filter for electric motor

Abstract

Design no. 1: the parts shown in the broken lines do not form part of the claimed designs; design no. 1: dotted and dashed lines represent boundaries between the portions intended for registration as a partial design and the other portions; reproductions 1.3, 2.3 and 3.3: partially enlarged views taken along the lines 3-3; reproduction 1.4: an enlarged cross-sectional view showing, on a plane, an arc-shaped cutting surface equidistant from an outer arc and an inner arc of an outer shape shown in 1.3; reproduction 2.4: an enlarged cross-sectional view showing, on a plane, an arc-shaped cutting surface equidistant from an outer arc and an inner arc of an outer shape shown in 2.3; reproduction 3.4: an enlarged cross-sectional view showing, on a plane, an arc-shaped cutting surface equidistant from an outer arc and an inner arc of an outer shape shown in 3.3.

Images