Patent classifications
A
HUMAN NECESSITIES
Load children
A47
FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
Load children
A47H
FURNISHINGS FOR WINDOWS OR DOORS
Load children
5/00
Devices for drawing draperies, curtains, or the like
Load children Filter patents View analytics View as hierarchy
A47H5/02
Devices for opening and closing curtains
Load children Filter patents View analytics View as hierarchy
A47H5/06
Devices with screw-threads on rods or spindles
Filter patents View analytics View as hierarchy