1881011

Information

• Patent Grant
• 1881011

• References
• Source

• Patent Number

  1,881,011

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1932
  92 years ago

• CPC

  • G05D3/128 - using clutch or brake
  • Y10T307/375 - Different frequencies

• US Classifications

  • 318 - Electricity: motive power systems
  • 089 - Ordnance
  • 307 - Electrical transmission or interconnection systems