1895880

Information

• Patent Grant
• 1895880

• References
• Source

• Patent Number

  1,895,880

• Date Filed

  Not available

• Date Issued

  Tuesday, January 31, 1933
  91 years ago

• CPC

  • H02P25/186 - whereby the speed is regulated by using a periodic interrupter

• US Classifications

  • 310 - Electrical generator or motor structure
  • 236 - Automatic temperature and humidity regulation
  • 251 - Valves and valve actuation
  • 318 - Electricity: motive power systems
  • 417 - Pumps