Class 011
Environmental Control Instrument Products (lighting,heating,cooling,cooking)
Class 012
Vehicles and Products for locomotion by land, air or water
Class 028
Toys and Sporting Goods Products
Audio frequency amplifiers comprising assembled units for amplifying electric signals and including audio frequency transformers, power transformers and choke coils; pick-up tone arms for electric phonographs; electrical phonograph pick-ups; high voltage ignition transformers; intercommunicating sound amplifying and transmitting systems and parts thereof comprising speakers, amplifiers, microphones, interconnecting circuits and energizing devices whereby conversation at spaced points may be heard at such spaced points; sound production equipment comprising a suitable housing and electric amplifier, one or more electric loud speakers, an electric phonograph including drive means, turn table and pick-up, a microphone and suitable controlling devices whereby music or other sound may be reproduced and/or amplified; one way sound distribution systems; and electric magnetic sound recorder-reproducers, and pumps, oil burner fuel pumps, fuel strainers and pressure regulating valves; and parts of each; and thermostatically controlled variable diameter pulleys and V-pulleys suitable for driving air-circulating fans, especially for use with air conditioning and ventilating equipment associated with heating equipment such as hand or stoker fired furnaces or gas and oil burners.
