3525912

Information

• Patent Grant
• 3525912

• References
• Source

• Patent Number

  3,525,912

• Date Filed

  Not available

• Date Issued

  Tuesday, August 25, 1970
  54 years ago

• CPC

  • A61C17/221 - Control arrangements therefor
  • A47J43/082 - for machines with tools driven from the upper side
  • B23B45/02 - driven by electric power
  • B26B19/28 - Drive layout for hair clippers or dry shavers
  • B26B19/286 - providing for two or more different electrical power sources
  • G05B5/01 - electric
  • H02J7/0044 - specially adapted for holding portable devices containing batteries
  • H02K23/36 - having more than one winding having more than one commutator having more than one stator
  • H02P4/00 - Arrangements specially adapted for regulating or controlling the speed or torque of electric motors that can be connected to two or more different electric power supplies
  • Y10T307/383 - Different voltages

• US Classifications

  • 318 - Electricity: motive power systems
  • 307 - Electrical transmission or interconnection systems
  • 310 - Electrical generator or motor structure
  • 320 - Electricity: battery or capacitor charging or discharging