Importance

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Abstract

Provided is a removable device cover (20) which is self-aligning when removably affixed to a device (10), wherein the device cover comprises a generally curved concave sidewall (22) extending between a top margin (23) and a base margin (21), an open rearward portion (25) and a face portion (28) having a sight window insert (26) extending therefrom towards the open rearward portion (25), wherein at transverse cross-sectional planes the shape of the self aligning, removable device cover is approximately elliptical in cross-section, the device cover having a first transverse section (x) coincident with the top margin and having a major axis (xA) and a minor axis (xB), a further, second, transverse section (Z) coincident with the base margin and having a major axis (zA) and a minor axis (zB), and a further, third, transverse section (Y) at a midpoint between the top margin and the base margin and having a major axis (yA) and a minor axis (yB), wherein the dimensions of the major axis and minor axis of the transverse section (Y) at a midpoint between the top margin and the base margin is less than the dimensions of the major axis and minor axis of one or both of the first transverse section (Z) coincident with the top margin and the second, transverse section (Z) coincident with the base margin.

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First Claim