Changing a single bed into a double bed by extending, pivoting, or tilting a previously hidden second mattress or other bed part

Full Title

Sofas; Couches; Beds > Sofas, couches, settees, or the like, with movable parts; Chair beds > Changing a single bed into a double bed by extending, pivoting, or tilting a previously hidden second mattress or other bed part

Classification Context

Section:

HUMAN NECESSITIES

Class:

FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL

Subclass:

CHAIRS; SOFAS; BEDS