CENTRA-MATIC C M

CENTRALLY INSTALLED VACUUM CLEANING SYSTEMS, ADAPTED TO BE SOLD AND INSTALLED AS A UNIT FOR RESIDENTIAL USE COMPRISING A CENTRAL POWER UNIT AND DIRT COLLECTION RECEPTACLE, A PLURALITY OF ROOM WALL INLETS, PIPING CONNECTING THE POWER UNIT WITH THE WALL INLETS, A PLURALITY OF CLEANING TOOLS, ALUMINUM AND FLEXIBLE TUBING AND FITTINGS FOR CONNECTING THE CLEANING TOOLS TO THE WALL INLETS, LIQUID VACUUMING ACCESSORY ATTACHMENTS, STEAM CLEANING ACCESSORY ATTACHMENTS AND RELATED PARTS THEREOF