USPC Class Details

Description: 351 optics: eye examining, vision testing and correcting / 351 optics: eye examining, vision testing and correcting/(41) spectacles and eyeglasses (159.01) ophthalmic lenses (159.02) eye contact (159.24) colored

Hierarchy/Derived subclasses

351 / 41	-> 159.01	-> 159.02	-> 159.24	-> 159.25
				-> 159.26
				-> 159.27
				-> 159.28
				-> 159.29
				-> 159.3
				-> 159.31
				-> 159.32

uspto searches

Patent Apps in 351/159.24

Granted Patents in 351/159.24

Use the links above or do an advanced search in ppubs for:
(351/159.24.ccls. or 351/159.25.ccls. or 351/159.26.ccls. or 351/159.27.ccls. or 351/159.28.ccls. or 351/159.29.ccls. or 351/159.3.ccls. or 351/159.31.ccls. or 351/159.32.ccls.)

This will show what classes derive from the input. Ex: entering 43/42.24 shows the derived classes and the search that can be used to find patents or patent applications in those subclasses.

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