874895

Information

• Patent Grant
• 874895

• References
• Source

• Patent Number

  874,895

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1907
  117 years ago

• CPC

  • H02P7/04 - by means of a H-bridge circuit
  • Y10S200/35 - Weight operated tread/treadless switch

• US Classifications

  • 318 - Electricity: motive power systems
  • 038 - Textiles: ironing or smoothing
  • 200 - Electricity: circuit makers and breakers