Class Information
Number: 351/60
Name: Optics: eye examining, vision testing and correcting > Spectacles and eyeglasses > With lens suspension bar (e.g., torsion bar)
Description: Subject matter wherein rimless or rimmed lenses are suspended from or mounted on a usually rectilinear rod, or are suspended from or mounted on oppositely extending bars embodying nose engaging means.
Patents under this class:
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