Patent class list (only not empty are listed)

Tent, canopy, umbrella, or cane

Subclass of: 135 - Tent, canopy, umbrella, or cane

Deeper subclasses:

135087000 - PORTABLE SHELTER (I.E., TENT OR CANOPY) (111)
135150100 - UMBRELLA (55)
135065000 - CANES, STICKS, CRUTCHES, AND WALKING AIDS (55)

Patents in all subclasses Tent, canopy, umbrella, or cane