Robotic vacuum cleaners; vacuum cleaners; robotic floor cleaning machines; robotic floor cleaning machines utilizing water and/or chemicals for cleaning floor surfaces; accessories and replacement parts for robotic vacuum cleaners, vacuum cleaners, and robotic floor cleaning machines, namely, brushes, wheels, dust collection bags, dust filters, dust bins, cleaning heads, and extension tubes; electronic docking stations that connect to robotic vacuum cleaners and robotic floor cleaning machines and that feature a built-in machine for extracting dirt, dust and debris from the robotic vacuum cleaners and robotic floor cleaning machines and store the extracted dirt, dust and debris in the docking station; robotic vacuum cleaners sold together as a unit with electronic docking stations that feature a built-in machine for extracting dirt, dust and debris from the vacuum cleaners and that store the extracted dirt, dust and debris in the docking station; robotic floor cleaning machines sold together as a unit with electronic docking stations that feature a built-in machine for extracting dirt, dust and debris from the floor cleaning machines and that store the extracted dirt, dust and debris in the docking station