1407890

Information

• Patent Grant
• 1407890

• References
• Source

• Patent Number

  1,407,890

• Date Filed

  Not available

• Date Issued

  Tuesday, February 28, 1922
  103 years ago

• CPC

  • D06F37/36 - for rotating the receptacle at more than one speed
  • D06F2700/055 - by changing between two transmissions with elements rolling on each other
  • Y10T74/18424 - Mangle connections
  • Y10T74/19575 - Automatic control

• US Classifications

  • 074 - Machine element or mechanism